Chihuahuan Raven Life History

Habitat

Habitat ScrubDry, open grassland with scattered trees and shrubs, and unbroken desert scrub.Back to top

Food

Food OmnivoreOmnivorous. Large insects, cultivated grains, carrion, eggs, young birds, fruits, lizards, small mammals, garbage.Back to top

Nesting

Nest Placement

Nest Tree

Nest Description

Open cup of sticks with softer lining, such as wool, fur, cotton, paper, rope, tree bark, grass, or yucca fibers. Usually placed in low tree or on human-made structure, such as machinery, building, or utility pole.

Nesting Facts
Clutch Size:1-8 eggs
Egg Description:Green to blue with blotches and streaks of brown.
Condition at Hatching:Helpless with tufts of down.
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Behavior

Behavior Ground ForagerScans for food while perched or soaring, catches food on the ground. Holds items under its feet to peck them apart.Back to top

Conservation

Conservation Low ConcernChihuahuan Raven populations were relatively stable between 1966 and 2015, though may have experienced declines in some areas, according to the North American Breeding Bird Survey. Partners in Flight estimates a global breeding population of 800,000, with 48% spending at least part of the year in the U.S., and 61% in Mexico. The species rates a 9 out of 20 on the Continental Concern Score. Chihuahuan Raven is not on the 2016 State of North America's Birds' Watch List.Back to top

Credits

Dwyer, James F., James C. Bednarz and Ralph J. Raitt. 2013. Chihuahuan Raven (Corvus cryptoleucus), version 2.0. In The Birds of North America (P. G. Rodewald, editor). Cornell Lab of Ornithology, Ithaca, New York, USA.

Lutmerding, J. A. and A. S. Love. Longevity records of North American birds. Version 2015.2. Patuxent Wildlife Research Center, Bird Banding Laboratory 2015.

Partners in Flight (2017). Avian Conservation Assessment Database. 2017.

Sauer, J. R., D. K. Niven, J. E. Hines, D. J. Ziolkowski, Jr., K. L. Pardieck, J. E. Fallon, and W. A. Link (2017). The North American Breeding Bird Survey, Results and Analysis 1966–2015. Version 2.07.2017. USGS Patuxent Wildlife Research Center, Laurel, MD, USA.

Sibley, D. A. (2014). The Sibley guide to birds, second edition. Alfred A. Knopf, New York, USA.

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