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Guadalupe Caracara
Caracara lutosus

Status: Extinct

Population Trend: Stable.

Other Names: 


Caracara lutosus
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Distribution: Neotropical. Extinct. Formerly endemic to GUADALUPE ISLAND off western MEXICO.

Subspecies: Monotypic.

Taxonomy: Formerly placed in the genus Polyborus, but Banks and Dove (1992) provided the basis for using the generic name Caracara. This form is possibly just a subspecies of C. cheriway (e.g., Stresemann and Amadon 1979, Amadon and Bull 1988), but Dove and Banks (1999) argued for treating it as a full species, based on morphological differences.

Movements: Presumably non-migratory.

Habitat and Habits: Lowlands.

Food and Feeding Behavior: Presumably like the mainland form.

Breeding: No information.

Conservation: Extinct. Last reported in 1903 (Howell and Cade 1953).

Important References: 
Abbott, C.G. 1933. Closing history of the Guadalupe Caracara. Condor
  35:10-14.
Anthony, A.W. 1925. Expedition of Guadalupe Island, Mexico in 1922. The
  birds and mammals. Proceedings of the California Academy of Sciences (Series
  4) 14:277-320.
Banks, R., and C. Dove. 1992. The generic name for Crested Caracara (Aves:
  Falconidae). Proceedings of the Biological Society of Washington
  105:420-425.
Bent, A.C. 1938. Life histories of North American birds of prey: Order
  Falconiformes. Pt. 2. United States National Museum Bulletin 170:1-466.
Bryant, W.E. 1887. Additions to the ornithology of Guadalupe Island.
  Bulletin of the California Academy of Sciences 2(6):269-318.
Bryant, W.E. 1889. A catalogue of the birds of Lower California, Mexico.
  Proceedings of the California Academy of Sciences (Series 2) 2:237-320.
Dove, C.J., and R.C. Banks. 1999. A taxonomic study of crested caracaras
  (Falconidae). Wilson Bulletin 111:330-339.
Jehl, J.R., Jr., and W.T. Everett. 1985. History and status of the
  avifauna of Isla Guadalupe, Mexico. Transactions of the San Diego Society of
  Natural History 20:313-336.
Ridgway, R. 1876. Studies of the American Falconidae: monograph of the
  Polybori. Bulletin of the United States Geological and Geographical Survey
  of the Territories 1:451-473.
Ridgway, R. 1876. Ornithology of Guadalupe Island, based on notes and
  collections made by Dr. Edward Palmer. Bulletin of the United States
  Geological and Geographical Survey of the Territories 2: 183-195.
Vuilleumier, F. 1970. Generic relations and speciation patterns in the
  caracaras (Aves: Falconidae). Breviora1-29.
Wetmore, A. 1933. A skeleton of the Guadeloupe (sic) Caracara. Condor
  35:206.
Wilbur, S.R. 1987. Birds of Baja California. University of California
  Press, Berkeley, CA.
more....

Current Research: This species account is not yet completed.


Last modified: 5/15/2014

Recommended Citation: Global Raptor Information Network. 2017. Species account: Guadalupe Caracara Caracara lutosus. Downloaded from http://www.globalraptors.org on 27 Feb. 2017








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