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Caracara lutosa

Caracara lutosa (*)

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Cladus: Sarcopterygii
Cladus: Rhipidistia
Cladus: Tetrapodomorpha
Cladus: Eotetrapodiformes
Cladus: Elpistostegalia
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Classis: Reptilia
Cladus: Eureptilia
Cladus: Romeriida
Subclassis: Diapsida
Cladus: Sauria
Infraclassis: Archosauromorpha
Cladus: Crurotarsi
Divisio: Archosauria
Cladus: Avemetatarsalia
Cladus: Ornithodira
Subtaxon: Dinosauromorpha
Cladus: Dinosauriformes
Cladus: Dracohors
Cladus: Dinosauria
Ordo: Saurischia
Cladus: Eusaurischia
Subordo: Theropoda
Cladus: Neotheropoda
Cladus: Averostra
Cladus: Tetanurae
Cladus: Avetheropoda
Cladus: Coelurosauria
Cladus: Tyrannoraptora
Cladus: Maniraptoromorpha
Cladus: Maniraptoriformes
Cladus: Maniraptora
Cladus: Pennaraptora
Cladus: Paraves
Cladus: Eumaniraptora
Cladus: Avialae
Infraclassis: Aves
Cladus: Euavialae
Cladus: Avebrevicauda
Cladus: Pygostylia
Cladus: Ornithothoraces
Cladus: Ornithuromorpha
Cladus: Carinatae
Parvclassis: Neornithes
Cohors: Neognathae
Cladus: Neoaves
Cladus: Telluraves
Cladus: Australaves
Ordo: Falconiformes

Familia: Falconidae
Subfamilia: Caracarinae
Genus: Caracara
Species: † Caracara lutosa

Caracara lutosa (Ridgway, 1876)

Polyborus lutosus (protonym)


Bulletin of the United States Geological and Geogaphical Survey of the Territories. (2) 1: 459.


IUCN: Caracara lutosa (Extinct)

Vernacular names
Deutsch: Guadelupe-Karakara
English: Guadalupe Caracara
español: Caracara de Guadalupe
français: Caracara de Guadalupe
magyar: Guadalupe-karakara
italiano: Caracara di Guadalupe
日本語: ガダルーペカラカラ
português: Caracara-de-guadalupe
русский: Гуадалупская каракара
中文: 瓜達盧長腿兀鷹

The Guadalupe caracara (Caracara lutosa) or mourning caracara is an extinct bird of prey belonging to the falcon family (Falconidae).[2] It was, together with the closely related crested caracara (Caracara plancus), formerly placed in the genus Polyborus. It was also known as the quelili or the calalie.[3]

Distribution and taxonomy

This species inhabited Mexico's Guadalupe Island until the beginning of the 20th century. The crested caracara is sometimes incorrectly referred to as "Guadalupe caracara", because the extinct birds were formerly considered a subspecies of the extant taxon. They were reinstated as a full species in 2000.[4]

Described as "evil" and "vicious" by early observers, it was driven to extinction by a hunting and poisoning campaign led by goat herders on Guadalupe Island. As described by Edward Palmer:[5]

The "Calalie" is abundant on every part of the island; and no bird could be a more persistent or more cruel enemy of the poultry and domestic animals. It is continually on the watch, and in spite of every precaution often snatches its prey from the very doors of the houses. The destruction of the wild goats is not so great, as these animals are better able to protect themselves than the tame ones. No sooner is one kid born - while the mother is in labor with the second - than the birds pounce upon it; and should the old one be able to interfere, she is also assaulted. No kid is safe from their attacks. Should a number be together, the birds unite their forces, and, with great noise and flapping of their wings, generally manage to separate the weakest one and dispatch it. They sometimes fasten upon the tongue when the poor creature opens its mouth to bleat, and have been known to tear it out, leaving the animal to perish, if not otherwise destroyed. Sometimes the anus is the point of first attack. The birds are cruel in the extreme, and the torture sometimes inflicted upon the defenceless animals is painful to witness... Even when food is plenty, they often attack living animals instead of contenting themselves with the carcasses of those already dead, seeming to delight in killing. Should one of their number be disabled or wounded, it is instantly dispatched by the rest.
— Edward Palmer, in Errol Fuller, Extinct Birds


In 1876 the species was common throughout the island.[3] However, in March 1897, only one bird was encountered,[6] but additional members of the species survived. On 1 December 1900 collector Rollo Beck encountered 11 and preserved nine as scientific specimens. He may have shot the last of the caracaras on Guadalupe Island, believing from their fearlessness and ease of finding them that they were common.[7] There was one more (unconfirmed) sighting in 1903;[8] the bird was certainly gone by 1906.[9]

The Guadalupe caracara is one of the few species that were intentionally rendered extinct by humans. In its particular case, it was demanded by goat farmers that the birds were to be killed off as they occasionally fed on young goats (though the role of the caracara as a predator of goats was much exaggerated).[3] It stands to note that its erstwhile home was at that time being devastated by tens of thousands of goats gone feral, leading to the extinction of several endemic species caused by the near-total destruction of habitat.[10]

In an apparent case of coextinction, the ischnoceran louse Acutifrons caracarensis is only known from the Guadalupe caracara.[11]

Around 35 specimens (skins, skeletons and two eggs) remain in public collections today.[12] Specimens are available for display in Chicago, Washington, and London.[citation needed]

BirdLife International (2016). "Caracara lutosa". IUCN Red List of Threatened Species. 2016: e.T22728892A94999996. doi:10.2305/IUCN.UK.2016-3.RLTS.T22728892A94999996.en. Retrieved 12 November 2021.
"Caracara lutosa". Integrated Taxonomic Information System. Retrieved 7 April 2011.
Ellis, Richard (2004). No Turning Back: The Life and Death of Animal Species. New York: Harper Perennial. pp. 172. ISBN 0-06-055804-0.
American Ornithologists' Union (2000). "Forty-second supplement to the American Ornithologists' Union Check-list of North American Birds". Auk. 117 (3): 847–858. doi:10.1642/0004-8038(2000)117[0847:FSSTTA]2.0.CO;2.
Fuller, Errol (1987). Extinct Birds. pp. 58. ISBN 0816018332.
Kaeding, Henry B. (1905). "Birds from the West Coast of Lower California and Adjacent Islands (Part II)" (PDF). Condor. 7 (4): 134–138. doi:10.2307/1361667. JSTOR 1361667.
Abbott, C. B. (1933). "Closing history of the Guadalupe Caracara". Condor. 35 (1): 10–15. doi:10.2307/1363459. JSTOR 1363459.
Hirschfeld, Eric; Swash, Andy; Still, Robert (17 March 2013). The World's Rarest Birds. Princeton, NJ, USA: Princeton University Press. p. 337. ISBN 978-0-691-15596-8.
Thayer, John E.; Outram Bangs (1 May 1908). "The Present State of the Ornis of Guadaloupe Island" (PDF). The Condor. 10 (3): 101–106. doi:10.2307/1360977. hdl:2027/hvd.32044072250186. JSTOR 1360977.
León de la Luz, José Luis; Rebman, Jon P.; Oberbauer, Thomas (1 January 2003). "On the urgency of conservation on Guadalupe Island, Mexico: is it a lost paradise?". Biodiversity and Conservation. 12 (5): 1073–1082. doi:10.1023/A:1022854211166. S2CID 10038493.
Mey, Eberhard (1990): Eine neue ausgestorbene Vogel-Ischnozere von Neuseeland, Huiacola extinctus (Insecta, Phthiraptera). Zoologischer Anzeiger 224(1/2): 49–73. [German with English abstract] PDF fulltext Archived 12 October 2007 at the Wayback Machine

Luther, Dieter (1996): Die ausgestorbenen Vögel der Welt (Die neue Brehm-Bücherei 424) (4th ed.). [in German] Westarp-Wissenschaften, Magdeburg; Spektrum, Heidelberg. ISBN 3-89432-213-6

Further reading

Fuller, Errol (2000): Extinct Birds (2nd ed.). Oxford University Press, Oxford, New York. ISBN 0-19-850837-9
Greenway, James C. Jr. (1967): Guadelupe Island Carcara. In: Extinct and Vanishing Birds of the World (2nd ed.): 183–195. Dover Publications, New York.
King, Warren B. (ed.) (1981): Endangered Birds of the World; The ICBP Bird Red Data Book: Preamble 8. ISBN 0-87474-584-5

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