Chihuahuan raven

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Chihuahuan raven
Chihuahuan raven in Arizona

Least Concern  (IUCN 3.1)[1]
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Corvidae
Genus: Corvus
Species:
C. cryptoleucus
Binomial name
Corvus cryptoleucus
Couch, 1854
Distribution map

The Chihuahuan raven (Corvus cryptoleucus) is a species of crow in the family Corvidae that is native to the United States and Mexico.

Description

The proportions resemble the

Corvus species to about two-thirds the length. In addition, the Chihuahuan raven is similar in appearance to the white-necked raven
of east Africa because the base of the neck has feathers that are white-ish (seen only when ruffled in strong wind). The bill, legs and feet are black.

Distribution and habitat

The Chihuahuan raven occurs in the Southwestern and Midwestern United States and northern Mexico, including southeastern Arizona, southern New Mexico, southeastern Colorado, western Kansas, western Oklahoma, and southern and western Texas.[2]

Behavior

Diet

It feeds on cultivated cereal grains, insects and many other invertebrates, small reptiles, carrion, cactus fruits, eggs and nestlings.

Nesting

The nest is built in either trees, large shrubs or sometimes even in old buildings. There are usually 5–7 eggs laid relatively late in the year during May so as to take advantage of the insect food for their young in their more arid environment. Both the males and females incubate the eggs, feed the young, and remain territorial in protecting the nesting area. In rare cases, outsiders may be allowed into the territory to communally defend against potential predators.

Voice

The voice is similar to that of the common raven with "pruk-pruk" sounds and other croaks at slightly higher pitches. Like all corvids, the Chihuahuan raven is capable of vocal mimicry, however this behavior is mostly recorded in captivity and rarely in the wild.

Taxonomy

A 2005 molecular study reviewed segments of DNA of the common raven and found that Chihuahuan raven are genetically nested within common ravens based on

Holarctic Clade.[3][4]

References

  1. doi:10.2305/IUCN.UK.2016-3.RLTS.T22706055A94048555.en
    . Retrieved 13 November 2021.
  2. ^ "Chihuahuan Raven, Life History". All About Birds. Cornell Laboratory of Ornithology. Retrieved 2009-08-10.
  3. S2CID 85196387
    .
  4. PMID 11197122. Archived from the original
    (PDF) on 2016-03-03.

External links
Retrieved from "https://en.wikipedia.org/w/index.php?title=Chihuahuan_raven&oldid=1187941707"