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Birds of prey

Naming and etymology

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Taxonomy

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Evolution

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Anatomy and physiology

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Size

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The largest extant species of raptor is the Andean condor (Vultur gryphus). This animal can reach a wingspan of 350 cm (140 in) and a body mass of over 16 kg (35 lb).[1][2] At the other end of the scale, with a total length of only 14 to 17 cm (5.5 to 6.7 in) and weight of 30 to 55 g (1.1 to 1.9 oz), the typical falconets are the smallest members.[3] Argentavis magnificens, an eagle-like bird from the Late Miocene, is considered the largest flying bird to ever exist. Its wingspan measured approximately 7 m (23 ft) and it weighed 70 kg (150 lb).[4]

Feathers and moult

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Peregrine falcon showing its feathers

Birds of prey have a wide array of plumage and feather patterns. Young birds are identified by their dense plumage, which differs greatly from those of adults.[5] Differences in wingspan and tail length suggest adaptations for distinct modes of predation. For example, a short, yet broad wingspan allows for explosive, short-distance movement through canopies of rainforests and other forested habitats. Whereas, wings that acuminate at the tips give a more aerodynamic build. This build enables some bird of prey, like falcons, to dive at the highest speeds recorded for animals.[6]

All birds of prey go through a process called molting, at least once a year.[7]

Beaks

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Beak of a falcon

Talons

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Foot of a snowy owl

Locomotion

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Senses

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A Eurasian eagle-owl. Note its large, forward facing eyes

Pathogens

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Distribution and habitat

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Andean condor soaring through the sky

Migration

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Behavior

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Diet and hunting

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White-tailed eagle with a fish near Raftsund, Norway

Communication and social structures

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White-tailed eagles disputing over a carcass
Osprey vocalizing

Reproduction

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Barred owl chicks in nest

Conservation

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Human relations

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In captivity

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Ruppel's vulture in captivity

Attacks on humans

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In culture

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Double-headed eagle emblem of the Byzantine Empire. The head on the left (West) symbolizes Rome, the head on the right (East) symbolizes Constantinople.

Citations

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  1. ^ Alarcón, Pablo A. E.; Morales, Juan M.; Donázar, José A.; Sánchez-Zapata, José A.; Hiraldo, Fernando; Lambertucci, Sergio A. (2017-09-13). "Sexual-size dimorphism modulates the trade-off between exploiting food and wind resources in a large avian scavenger". Scientific Reports. 7 (1): 11461. doi:10.1038/s41598-017-11855-0. ISSN 2045-2322.
  2. ^ Zambrano-Monserrate, Manuel A. (April 2020). "The economic value of the Andean Condor: The national symbol of South America". Journal for Nature Conservation. 54: 125796. doi:10.1016/j.jnc.2020.125796. ISSN 1617-1381.
  3. ^ Setiyono, J.; Diniarsih, S.; Noske, Richard A.; Budi, N.S. (January 2014). "Large prey for a small predator: Black-thighed Falconet Microhierax fringillarius preying on Black-capped Babbler Pellorneum capistratum". Kukila. 18 (1): 32–36.
  4. ^ Chatterjee, Sankar; Templin, R. Jack; Campbell, Kenneth E. (2007-07-24). "The aerodynamics of Argentavis, the world's largest flying bird from the Miocene of Argentina". Proceedings of the National Academy of Sciences of the United States of America. 104 (30): 12398–12403. doi:10.1073/pnas.0702040104. ISSN 0027-8424. PMC 1906724. PMID 17609382.
  5. ^ Forsman 2016, p. Introduction.
  6. ^ Flyod 1993, p. 9.
  7. ^ Zuberogoitia, Iñigo; Zabala, Jabi; Martínez, José Enrique (2018-07-01). "Moult in Birds of Prey: A Review of Current Knowledge and Future Challenges for Research". Ardeola. 65 (2): 183. doi:10.13157/arla.65.2.2018.rp1. ISSN 0570-7358.

Sources

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