Cuban kite

Cuban kite
CITES Appendix I (CITES)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Accipitriformes
Family: Accipitridae
Genus: Chondrohierax
Species:
C. wilsonii
Binomial name
Chondrohierax wilsonii
(Cassin, 1847)

The Cuban kite (Chondrohierax wilsonii) is a bird of prey in the family Accipitridae which also includes many other diurnal raptors such as kites, eagles and harriers. It is endemic to Cuba.

This species is classified as critically endangered by BirdLife International and the IUCN. The current population is estimated 50 to 249 mature birds. In the last 40 years the species has only been observed a handful of times with the latest published sighting in 2010 in Alejandro de Humboldt National Park.[1]

The Clements Checklist considered it as subspecies of the hook-billed kite until its 2022 revision.[2] A molecular phylogenetics analysis using mitochondrial DNA suggests that it warrants species status having diverged from the mainland lineage approximately 400,000 to 1.5 million years ago.[3]

Forest destruction and degradation is the leading cause of population decline, as well as the reduction in prey snail numbers and persecution by local farmers. Its apparently tame nature makes it an easy target for shooters.[4]

Description

The Cuban kite is a little smaller than the hook-billed kite. Males have gray upperparts, black bars on the tail, and the underparts evenly barred grayish and white. Females resemble the Grenada form of hook-billed kite, but the brown barring on the underparts is less rufescent. The bill of Cuban kite is yellowish, in contrast to hook-billed kite's mostly dark bill.[5]

Behavior

Cuban kites feed on colored tree snails and slugs, which they find in the forest undergrowth, for which the deeply hooked bill is thought to be adapted for.[4][3]

References

  1. ^ a b BirdLife International (2020). "Chondrohierax wilsonii". IUCN Red List of Threatened Species. 2020: e.T22728485A181241481. doi:10.2305/IUCN.UK.2020-3.RLTS.T22728485A181241481.en. Retrieved 12 November 2021.
  2. ^ "Updates & Corrections – October 2022 – Clements Checklist".
  3. ^ a b Johnson, Jeff A.; Thorstrom, Russell; Mindell, David P. (2007). "Systematics and conservation of the hook-billed kite including the island taxa from Cuba and Grenada" (PDF). Animal Conservation. 10 (3): 349–359. doi:10.1111/j.1469-1795.2007.00118.x. hdl:2027.42/72922. S2CID 6648653. Archived from the original (PDF) on 2012-10-16.
  4. ^ a b "Cuban Kite | Chondrohierax wilsonii". EDGE of Existence. Retrieved 2019-04-13.
  5. ^ Bond, James (1999). A Field Guide to the Birds of the West Indies. Houghton Mifflin Harcourt. pp. 55. ISBN 0618002103.
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