"The Peregrine Falcon (Falco peregrinus) stands as a paragon of avian prowess, recognized globally as a formidable bird of prey. Its distribution spans nearly every terrestrial habitat on Earth, a testament to its adaptability and success 1. Among its many remarkable attributes, the Peregrine Falcon is most celebrated for its extraordinary speed, a characteristic that has captivated scientists, ornithologists, and the general public alike 3. This report aims to synthesize the extensive body of knowledge surrounding this iconic species, focusing on the evidence that firmly establishes the Peregrine Falcon as the world's fastest bird. The assertion of its unparalleled velocity is not merely anecdotal; it is underpinned by rigorous scientific investigation into its flight capabilities, the specific contexts in which its highest speeds are achieved, and the intricate biological adaptations that make such feats possible 5.
 |
| Peregrine Falcon Above Woodbridge Island, Cape Town |
The Peregrine Falcon's title as the world's fastest bird is not a matter of opinion but a well-substantiated fact within the scientific and ornithological communities 3. Numerous reputable sources, ranging from comprehensive ornithological databases to peer-reviewed scientific publications, consistently identify this species as holding the record for the highest speed attained by any bird 2. Organizations such as the Cornell Lab of Ornithology and encyclopedic resources like Britannica unequivocally state the Peregrine Falcon's supremacy in aerial speed 2. This widespread agreement across diverse platforms, catering to both expert and general audiences, underscores the robust nature of the evidence supporting this claim.
Furthermore, many sources extend this recognition beyond the avian realm, declaring the Peregrine Falcon as the fastest animal on Earth 1. This broader categorization emphasizes the truly exceptional velocity it achieves, surpassing the speed capabilities of all other known species in the animal kingdom 3. This distinction highlights that the Peregrine Falcon's speed is not merely remarkable within its own class but represents a pinnacle of biological velocity across all forms of animal life 3. The consistency with which this assertion is made across various scientific and popular science outlets points to a deeply entrenched understanding of the Peregrine Falcon's unique position in the natural world 9.
3. Unveiling the Velocity: Speed During the Stoop
The extraordinary speed attributed to the Peregrine Falcon is primarily achieved during its hunting dive, a maneuver known as a stoop 2. During this dramatic descent from significant heights, the falcon can reach astonishing velocities. A commonly cited speed for the Peregrine Falcon's stoop is around 320 kilometers per hour (200 miles per hour) 1. This figure appears consistently across a wide range of sources, suggesting a general consensus on the typical maximum speed attained during these dives 2.
However, even higher speeds have been recorded under specific conditions. The highest measured speed often attributed to a Peregrine Falcon is an impressive 389 kilometers per hour (242 miles per hour) 1. This record is frequently linked to a National Geographic television program, which documented this exceptional feat 1. While this remains the widely publicized peak velocity, some sources, such as Wikipedia, note that radar tracks have not yet confirmed speeds of this magnitude, and the highest reliably measured speed stands at a still remarkable 184 km/h (114 mph) 1. This discrepancy highlights the inherent challenges in accurately measuring the speed of a free-flying animal moving at such extreme velocities. Nevertheless, the consistent reporting of speeds exceeding 320 km/h provides strong evidence for the Peregrine Falcon's exceptional diving capability 8.
These extreme speeds are achieved when the Peregrine Falcon initiates its stoop from considerable altitudes, often exceeding 1 kilometer (0.62 miles) 2. By diving almost vertically with its wings drawn in, the falcon utilizes gravity to accelerate rapidly towards its unsuspecting prey below 3. The term "stoop" is intrinsically linked to these record-breaking speeds, emphasizing that this specialized diving maneuver is the context in which the Peregrine Falcon earns its title as the fastest bird 9.
4. Engineered for Speed: Biological Adaptations
The Peregrine Falcon's ability to achieve such incredible speeds is not accidental; it is the result of a remarkable suite of evolutionary adaptations in its morphology and physiology 12. These adaptations work in concert to minimize air resistance, generate powerful flight, and withstand the physical stresses of high-velocity movement.
The shape and structure of the Peregrine Falcon's wings are fundamental to its speed. They possess long, pointed wings, often described as "high-speed wings," that are swept back to create an aerodynamically efficient profile 14. The feathers of these wings are stiff and unslotted, reducing drag as the falcon slices through the air 12. During the initial phase of the stoop, the falcon further enhances its streamlining by tucking its wings close to its body, adopting a teardrop shape that minimizes air resistance 17. This ability to alter the shape of its wings during different phases of flight allows for both rapid acceleration and precise maneuverability at high speeds 19. The very form of the wings, therefore, is a testament to the evolutionary pressures favoring speed and agility in this aerial predator.
The Peregrine Falcon's skeletal system is also uniquely adapted for high-speed flight. Scientific investigations have revealed that the bones in its wings and shoulder girdle possess a higher bone mass and mineral density compared to other bird species 19. This increased robustness provides the necessary strength and stability to endure the immense mechanical forces experienced during high-speed dives, which can reach up to three times the falcon's body mass 19. Furthermore, the Peregrine Falcon has a prominent keel bone, a ridge on its breastbone that serves as the attachment point for its powerful flight muscles 12. These well-developed muscles generate the force required for rapid wing beats and sustained flight, contributing to both its cruising speed and its ability to initiate and control the stoop 21. An additional adaptation is the presence of extra vertebrae in the tailbone, providing a larger area for the attachment of strong tail muscles, which enhance maneuverability during high-speed pursuits 16.
The respiratory system of the Peregrine Falcon exhibits remarkable adaptations for coping with the extreme conditions encountered during high-speed flight. Inside its nostrils are small, bony structures called tubercles 16. These tubercles act as baffles, directing the powerful airflow away from the nostrils and regulating the air pressure entering the respiratory system 22. This crucial adaptation prevents lung damage that could occur from the sudden and intense pressure changes experienced at such high velocities 22. In fact, the efficiency of this system inspired the design of inlet cones for supersonic jet engines, highlighting the remarkable engineering inherent in the falcon's anatomy 23. Additionally, the Peregrine Falcon possesses highly efficient lungs equipped with air sacs that ensure a continuous supply of oxygen to its metabolically active flight muscles, even during rapid maneuvers and at high altitudes 16. A strong heart with a rapid beat rate, capable of reaching up to 900 beats per minute, further supports this high oxygen demand by facilitating rapid oxygen delivery throughout the body 14.
Beyond these primary adaptations for speed and the physical stresses it imposes, the Peregrine Falcon possesses other notable features that contribute to its success as a high-speed aerial predator. A nictitating membrane, or third eyelid, protects its eyes from dust, debris, and the drying effects of high-speed airflow during dives, while also helping to spread tears and maintain clear vision 16. The distinctive dark stripe below its eyes, known as the malar stripe, is believed to reduce solar glare, enhancing its ability to track fast-moving prey in bright light conditions 1. Studies suggest that the prominence of this stripe correlates with the intensity of solar radiation in different environments 1. Furthermore, the Peregrine Falcon boasts exceptional eyesight, with the capacity for binocular vision and the ability to spot prey from distances exceeding 3 kilometers 24. The presence of two foveae in each eye further enhances its visual acuity, providing detailed focus both centrally and peripherally 18. Finally, its remarkably high flicker fusion frequency allows it to process visual information at an exceptionally rapid rate, crucial for accurately tracking and intercepting fast-moving targets 1.
 |
| Peregrine Falcon as Fastest Bird in the World : Arnhem, Woodbridge Island |
5. A Comparative Look at Aerial Speed
While the Peregrine Falcon reigns supreme in terms of diving speed, other avian species are renowned for their velocity in different contexts. Comparing the Peregrine Falcon's speed to that of other fast-flying birds, such as swifts and frigatebirds, reveals the specific nature of its record-breaking achievement.
The Peregrine Falcon, as previously discussed, can achieve diving speeds up to 389 km/h (242 mph) 1. In contrast, its average horizontal flight speed typically ranges from 40 to 90 km/h (25 to 56 mph), and its maximum horizontal speed is around 110 to 130 km/h (68 to 81 mph) 2. This stark difference underscores that its exceptional speed is primarily a feature of its high-speed stoop.
Swifts, on the other hand, are masters of sustained high-speed level flight. The White-throated Needletail is often cited as the fastest bird in horizontal flight, with a reported top speed of 169-170 km/h (105 mph) 23. However, it is important to note that this record remains unconfirmed 26. The Common Swift holds the record for the fastest confirmed level flight at 111.5-111.6 km/h (69.3 mph) 26. While these speeds are impressive, they do not reach the extreme velocities of the Peregrine Falcon's dive 4. Swifts achieve their high speeds through rapid wing beats and streamlined bodies, adaptations suited for long-distance migration and aerial foraging for insects 23.
Frigatebirds are another group of birds known for their aerial capabilities, with a maximum airspeed of around 153 km/h (95 mph) 26. However, frigatebirds are primarily adapted for gliding and soaring over long distances, utilizing their large wingspan to exploit wind currents 30. They do not typically engage in the rapid, powered flight that characterizes the speed of falcons and swifts.
The Golden Eagle is another raptor that employs high-speed dives in its hunting strategy and can reach impressive speeds of up to 322 km/h (200 mph) 23. This makes it the only other bird known to exceed the 200 mph threshold in a dive 32. Its maximum horizontal speed is around 129 km/h (80 mph) 26. The Golden Eagle's diving speed, while remarkable, is still slightly lower than the highest recorded speeds of the Peregrine Falcon, solidifying the latter's position at the apex of avian velocity.
To provide a clearer comparison, the following table summarizes the maximum speeds of these and other notable fast-flying birds:
| Common Name |
Maximum Diving Speed (km/h) |
Maximum Diving Speed (mph) |
Maximum Horizontal Speed (km/h) |
Maximum Horizontal Speed (mph) |
| Peregrine Falcon |
389 |
242 |
110-130 |
68-81 |
| Saker Falcon |
320 |
200 |
150 |
93 |
| Golden Eagle |
322 |
200 |
129 |
80 |
| Gyrfalcon |
187-209 |
116-130 |
145 |
90 |
| White-throated Needletail |
- |
- |
169-170 |
105 |
| Common Swift |
- |
- |
111.5-111.6 |
69.3 |
| Frigatebirds |
153 |
95 |
- |
- |
This comparison highlights that while several birds exhibit impressive flight speeds, the Peregrine Falcon's velocity during its stoop remains unmatched, solidifying its claim as the world's fastest bird. The context of this speed, achieved in a specialized hunting dive, is crucial to understanding its unique aerial prowess.
6. The Art of the Hunt: Utilizing Speed for Predation
The Peregrine Falcon's incredible speed is not merely a biological curiosity; it is a fundamental component of its highly effective hunting strategy 3. Its primary hunting technique involves soaring to a significant altitude, ranging from 300 to 3,000 feet above its intended prey 10. From this vantage point, the falcon utilizes its exceptional eyesight to scan for birds flying below 4. Once a target is identified, the Peregrine Falcon initiates its spectacular stoop, folding back its wings and tail and plummeting downwards in a near-vertical dive 16.
During this high-speed descent, the falcon can reach the aforementioned astonishing velocities, allowing it to intercept its prey with lethal precision 9. The strike typically occurs mid-air, with the falcon using its powerful feet, often clenched into a fist, to deliver a forceful blow 4. The impact of this high-speed collision is often sufficient to stun or kill the prey instantly 5. The Peregrine Falcon may then turn in mid-air to catch the falling bird or allow it to drop to the ground for retrieval 24. The tomial tooth on its upper beak provides an additional advantage, enabling the falcon to quickly sever the spinal cord of its prey with a precise bite to the neck 18.
The Peregrine Falcon's diet primarily consists of medium-sized birds, encompassing a wide variety of species 10. Pigeons are a common prey item, especially in urban environments where falcon populations have adapted to nesting on tall buildings 24. Other typical prey include shorebirds, waterfowl, and songbirds 5. Remarkably, Peregrine Falcons have been observed hunting birds as large as Sandhill Cranes and as small as hummingbirds, demonstrating their versatility as predators 10. In addition to birds, they may also occasionally prey on bats and small mammals 4. While the stoop is its most iconic hunting method, Peregrine Falcons are also capable of level pursuit, picking birds out of large flocks, and even occasionally hunting on the ground when the opportunity arises 10. The incredible speed achieved during the stoop, therefore, is not just a remarkable biological feat but a critical adaptation that allows the Peregrine Falcon to be a highly successful apex predator across a diverse range of environments 32.
7. Conservation and the Future of the Falcon
The Peregrine Falcon's history includes a dramatic chapter of decline and a subsequent inspiring recovery, highlighting the complex interplay between human activities and wildlife conservation 39. In the mid-20th century, the widespread use of the pesticide DDT had a devastating impact on Peregrine Falcon populations worldwide 1. DDT accumulated in the food chain, leading to eggshell thinning and reproductive failure in these top predators 37. As a result, populations plummeted, and the Peregrine Falcon was listed as an endangered species in many parts of its range, including the virtual eradication of the eastern North American population 2.
The turning point for Peregrine Falcon conservation came with the ban on DDT in the 1970s 33. This crucial regulatory action, coupled with intensive conservation efforts such as captive breeding and release programs pioneered by organizations like The Peregrine Fund, led to a remarkable recovery of the species 10. Over 4,000 captive-bred Peregrine Falcons were released into the wild, helping to re-establish populations in their historic range 33. The success of these efforts culminated in the Peregrine Falcon being removed from the U.S. Endangered Species List in 1999, a landmark achievement in wildlife conservation 10.
Today, the Peregrine Falcon's conservation status is listed as Least Concern by the IUCN 1. This indicates that the species is not currently facing significant threats to its global population 2. However, ongoing threats still exist. Habitat loss and disturbance, particularly around nesting sites, remain concerns 43. Collisions with buildings and wind turbines, especially for juvenile birds learning to fly, pose a risk in urban and developed areas 43. Poisoning from pesticides used to control pest birds like pigeons can also indirectly affect Peregrine Falcons that prey on them 43. Additionally, human persecution and the capture of falcons for falconry, although less prevalent than in the past, still represent potential threats 43.
Current conservation efforts focus on monitoring populations, protecting nesting sites, and mitigating human-related threats 42. Collaborative initiatives involving conservation organizations, government agencies, and even recreational groups like rock climbers aim to balance human activities with the needs of nesting falcons 47. The Peregrine Falcon's recovery stands as a powerful example of the positive impact of environmental regulations and dedicated conservation actions, offering hope for the future of this magnificent and swift aerial predator.
8. Beyond Speed: Notable Records and Fascinating Facts
Beyond its exceptional speed, the Peregrine Falcon exhibits a range of other fascinating biological and behavioral characteristics 24. Its distribution is truly global, found on every continent except Antarctica, making it one of the most widespread bird species in the world 1. Its very name, "peregrine," derived from the Latin word for "wanderer" or "pilgrim," reflects its wide-ranging movements, particularly outside the breeding season 4.
The Peregrine Falcon has shown remarkable adaptability to human-altered landscapes, successfully colonizing urban environments 48. Tall buildings and bridges provide suitable nesting ledges, mimicking the natural cliffs it typically inhabits, and the abundance of pigeons offers a reliable food source 2. This adaptation has allowed Peregrine Falcons to thrive in many major cities around the world 33.
A notable aspect of Peregrine Falcon biology is the significant size difference between the sexes. Females are considerably larger than males, sometimes by as much as 30% 1. Male Peregrine Falcons are traditionally known as "tiercels" 4. These falcons typically reach sexual maturity at one year of age and form monogamous pair bonds that often last for life 24. Pairs frequently return to the same nesting sites year after year, highlighting a strong attachment to their breeding territories 4. Their courtship rituals involve spectacular aerial displays, including high circling flights, dramatic dives, and chases 41.
The Peregrine Falcon has a long and storied relationship with humans, prized in the sport of falconry for over a thousand years 2. In ancient times, it was even considered a bird of royalty, reflecting its esteemed status and hunting prowess 4. Even today, trained Peregrine Falcons are sometimes used at airports to deter other birds that could pose a risk to aircraft 33.
Some Peregrine Falcon populations undertake incredibly long migrations, with individuals breeding in the Arctic traveling as far south as near Antarctica, completing an annual round trip of over 15,500 miles 33. The oldest recorded Peregrine Falcon lived to an impressive age of at least 19 years and 9 months 2, although their average lifespan is around 13 years 37. These fascinating facts underscore that the Peregrine Falcon is a species of remarkable biological and ecological significance, extending far beyond its well-deserved reputation as the world's fastest bird.
9. Conclusion: A Symphony of Speed and Adaptation
In conclusion, the evidence overwhelmingly supports the Peregrine Falcon's recognition as the world's fastest bird, particularly when executing its breathtaking hunting stoop 3. Reaching speeds that can exceed 320 km/h (200 mph) and potentially approach 389 km/h (242 mph), its velocity during these dives surpasses that of any other avian species and indeed any other animal on the planet 1. This extraordinary capability is underpinned by a remarkable suite of biological adaptations, including its streamlined wing shape, robust bone structure, highly efficient respiratory system, and exceptional sensory acuity 12. While other birds, such as swifts, exhibit impressive speeds in level flight, their velocities do not compare to the Peregrine Falcon's high-speed dives, highlighting the specialized context of its record-breaking performance 26.
The Peregrine Falcon's speed is not merely an impressive biological trait but a crucial element of its hunting strategy, allowing it to effectively capture a wide variety of agile prey 10. Its dramatic recovery from near extinction due to pesticide poisoning serves as an inspiring testament to the power of conservation efforts and the resilience of nature 33. Beyond its speed, the Peregrine Falcon exhibits a range of fascinating behaviors, adaptations, and a rich history with humans, further solidifying its status as a truly remarkable and iconic species 24. The Peregrine Falcon stands as a compelling example of the intricate interplay between evolutionary pressures and biological design, a feathered bullet that embodies the apex of avian speed and agility in the natural world."
9, Works Cited / Reference
1. en.wikipedia.org, accessed March 21, 2025,
https://en.wikipedia.org/wiki/Peregrine_falcon 2. Peregrine Falcon Overview, All About Birds, Cornell Lab of Ornithology, accessed March 21, 2025,
https://www.allaboutbirds.org/guide/Peregrine_Falcon/overview 3. Peregrine falcon: The world's fastest bird - John Moore Museum, accessed March 21, 2025,
https://www.johnmooremuseum.org/peregrine-falcon-the-worlds-fastest-bird/ 4. World's Fastest Animal|March 2019 - Texas Parks & Wildlife Magazine, accessed March 21, 2025,
https://tpwmagazine.com/archive/2019/mar/scout7_wildthing/ 5. Peregrine falcon | Speed, Diet, & Facts | Britannica, accessed March 21, 2025,
https://www.britannica.com/animal/peregrine-falcon 6. www.nhm.ac.uk, accessed March 21, 2025,
https://www.nhm.ac.uk/discover/peregrine-falcons-and-their-city-success.html#:~:text=Peregrine%20falcons%20(Falco%20peregrinus)%20are,in%20the%20last%20few%20decades. 7. The Top 5 Fastest Birds in The World - Serengeti National Park, accessed March 21, 2025,
https://www.serengetiparktanzania.com/information/the-top-5-fastest-birds-in-the-world/ 8. What's The Fastest Bird In The World? | IFLScience, accessed March 21, 2025,
https://www.iflscience.com/whats-the-fastest-bird-in-the-world-74811 9. The World's Fastest Animal: The Peregrine Falcon's Dive - Science Digest, accessed March 21, 2025,
https://sciencedigest.org/the-worlds-fastest-animal-the-peregrine-falcons-dive/ 10. Peregrine Falcon Life History, All About Birds, Cornell Lab of Ornithology, accessed March 21, 2025,
https://www.allaboutbirds.org/guide/Peregrine_Falcon/lifehistory 11. en.wikipedia.org, accessed March 21, 2025,
https://en.wikipedia.org/wiki/Peregrine_falcon#:~:text=The%20peregrine%20is%20renowned%20for,%2Fh%20(242%20mph). 12. How do peregrine falcons fly so fast? - Animals | HowStuffWorks, accessed March 21, 2025,
https://animals.howstuffworks.com/birds/peregrine-falcon-speed.htm 13. Peregrine Falcons: The World's Fastest Animal - Boaz Partners, accessed March 21, 2025,
https://boazpartners.com/peregrine-falcons-the-worlds-fastest-animal/ 14. Flight – The UMass Amherst Libraries Falcon Curriculum: An Open, Common Core PreK-12 Curriculum on Peregrine Falcons, accessed March 21, 2025,
https://openbooks.library.umass.edu/thefalconproject/chapter/flight-2/ 15. Body plans and BOP shapes - Raptor Resource Project Blog, accessed March 21, 2025,
https://raptorresource.blogspot.com/2017/03/falcon-and-bald-eagle-body-plans.html 16. Adaptations For the Speedy Life Style of Peregrine Falcons - Buffalo Bill Center of the West, accessed March 21, 2025,
https://centerofthewest.org/2020/01/28/adaptations-for-speedy-life-style-of-peregrine-falcons/ 17. Naturally Speaking: Peregrine Falcons – Masters of the Air - National Park Service, accessed March 21, 2025,
https://www.nps.gov/cabr/blogs/naturally-speaking-peregrine-falcons-masters-of-the-air.htm 18. Peregrine Falcon Adaptations | World's Fastest Animal | PBS LearningMedia, accessed March 21, 2025,
https://www.pbslearningmedia.org/resource/nvwfa-sci-adaptations/peregrine-falcon-adaptations-worlds-fastest-animal/ 19. City Research Online, accessed March 21, 2025,
https://openaccess.city.ac.uk/20362/1/JCPA-D-18-00015.pdf 20. The peregrine falcon's rapid dive: on the adaptedness of the arm skeleton and shoulder girdle - PubMed, accessed March 21, 2025,
https://pubmed.ncbi.nlm.nih.gov/29959501/ 21. animals.howstuffworks.com, accessed March 21, 2025,
https://animals.howstuffworks.com/birds/peregrine-falcon-speed.htm#:~:text=Key%20Takeaways,efficient%20cardiovascular%20and%20respiratory%20systems. 22. News: NOSE DIVE: FALCONS - Eaglewatch roofvogels en uilen, accessed March 21, 2025,
https://www.eaglewatch.nl/nieuws/2022/Nieuws-2022-08-03.html 23. What is the fastest creature on Earth? | Unraveling the mysteries of birds Vol.3 | Bird Column, accessed March 21, 2025,
https://global.canon/en/environment/bird-branch/bird-column/kids3/ 24. All you need to know about peregrine falcons: the facts - Robert E Fuller, accessed March 21, 2025,
https://www.robertefuller.com/blogs/blog/all-you-need-to-know-about-peregrine-falcons-the-facts 25. centerofthewest.org, accessed March 21, 2025,
https://centerofthewest.org/2020/01/28/adaptations-for-speedy-life-style-of-peregrine-falcons/#:~:text=Along%20with%20these%20enhanced%20skeletal,lungs%20inflated%20even%20when%20exhaling. 26. List of birds by flight speed - Wikipedia, accessed March 21, 2025,
https://en.wikipedia.org/wiki/List_of_birds_by_flight_speed 27. The Fastest Birds In The World - WorldAtlas, accessed March 21, 2025,
https://www.worldatlas.com/animals/the-fastest-birds-in-the-world.html 28. 10 of the World's Fastest Birds - Treehugger, accessed March 21, 2025,
https://www.treehugger.com/fastest-birds-5070090 29. Top 20 Fastest Birds In The World: Speed Records And Amazing Facts - Birdfy, accessed March 21, 2025,
https://www.birdfy.com/blogs/blogs/top-20-fastest-birds-in-the-world-speed-records-and-amazing-facts 30. The 15 Fastest Birds in the Sky (Flight Speed) | Ultimate Kilimanjaro, accessed March 21, 2025,
https://www.ultimatekilimanjaro.com/the-15-fastest-birds-in-the-sky-flight-speed/ 31. 15 FASTEST Birds in the World - YouTube, accessed March 21, 2025,
https://www.youtube.com/watch?v=IuGMX8lf67o 32. From cheetahs to falcons: The fastest animal in the world (Quiz), accessed March 21, 2025,
https://www.conservationafrica.net/blog/the-fastest-animal-in-the-world 33. Peregrine Falcon, accessed March 21, 2025,
https://peregrinefund.org/explore-raptors-species/falcons/peregrine-falcon 34. animalia.bio, accessed March 21, 2025,
https://animalia.bio/peregrine-falcon#:~:text=These%20birds%20are%20active%20during,and%20wings%2C%20with%20feet%20tucked. 35. Wonder Facts!: Peregrine Falcon - The Highlands Center for Natural History, accessed March 21, 2025,
https://highlandscenter.org/wonder-facts-peregrine-falcon/ 36. Peregrine Falcon - Facts, Diet, Habitat & Pictures on Animalia.bio, accessed March 21, 2025,
https://animalia.bio/peregrine-falcon 37. Peregrine Falcon | National Wildlife Federation, accessed March 21, 2025,
https://www.nwf.org/Educational-Resources/Wildlife-Guide/Birds/Peregrine-Falcon 38. Peregrine Falcon Falco peregrinus - Chesapeake Bay Program, accessed March 21, 2025,
https://www.chesapeakebay.net/discover/field-guide/entry/peregrine-falcon 39. Peregrine Falcon | Defenders of Wildlife, accessed March 21, 2025,
https://defenders.org/wildlife/peregrine-falcon 40. Peregrine Falcon | The Nature Conservancy, accessed March 21, 2025,
https://www.nature.org/en-us/about-us/where-we-work/united-states/indiana/stories-in-indiana/peregrine-falcons/ 41. Peregrine Falcon - NYSDEC - New York State Department of Environmental Conservation, accessed March 21, 2025,
https://dec.ny.gov/nature/animals-fish-plants/peregrine-falcon 42. Peregrine Falcon Monitoring and Management Project | Audubon Vermont, accessed March 21, 2025,
https://vt.audubon.org/conservation/peregrine-falcon-monitoring-and-management-project 43. Peregrine Falcon- Species At Risk in The Land Between, accessed March 21, 2025,
https://www.thelandbetween.ca/the-land-between-species-at-risk/peregrine-falcon/ 44. Threats and disturbances - People For Peregrines, accessed March 21, 2025,
https://peopleforperegrines.org/index.php/threats-to-peregrines/ 45. Peregrine Falcon - Pennsylvania Natural Heritage Program, accessed March 21, 2025,
https://www.naturalheritage.state.pa.us/cnhi/cnhi/Peregrine%20Falcon.pdf 46. Peregrine Falcon Program - NYSDEC, accessed March 21, 2025,
https://dec.ny.gov/nature/animals-fish-plants/peregrine-falcon/peregrine-falcon-program 47. Collaborative Efforts Underway to Protect Peregrine Falcon - NC Wildlife, accessed March 21, 2025,
https://www.ncwildlife.gov/blog/2024/04/03/collaborative-efforts-underway-protect-peregrine-falcon 48. Falco peregrinus (peregrine falcon) - Animal Diversity Web, accessed March 21, 2025,
https://animaldiversity.org/accounts/Falco_peregrinus/ 49. Peregrine Falcon | Audubon Field Guide, accessed March 21, 2025,
https://www.audubon.org/field-guide/bird/peregrine-falcon 50. Peregrine Falcon | Celebrate Urban Birds, accessed March 21, 2025,
https://celebrateurbanbirds.org/learn/birds/focal-species/peregrine-falcon/10. Report Compiled by Google Gemini Deep Research
11. Disclaimer
'The Peregrine Falcon as Fasted Bird Speed Report' was compiled by Google Gemini (Deep Research) on the request of Vernon Chalmers Photography. Vernon Chalmers Photography was not instructed by any person, public / private organisation or 3rd party to request compilation and / or publication of the report on the Vernon Chalmers Photography website.
This independent status report is based on information available at the time of its preparation and is provided for informational purposes only. While every effort has been made to ensure accuracy and completeness, errors and omissions may occur. The compiler of this Peregrine Falcon as Fasted Bird Speed Report (Google Gemini Deep Research) and / or Vernon Chalmers Photography (in the capacity as report requester) disclaim any liability for any inaccuracies, errors, or omissions and will not be held responsible for any decisions made based on this information.
More Information: The Peregrine Falcon: Fastest Bird in the World
