American crow

Corvus brachyrhynchos

source: http://www.mbr-pwrc.usgs.gov/id/framlst/i4880id.html

Identification

• around 17 inches long
• all black plumage
• tail is squared
• common in both urban and agricultural areas
• average weight for males is 458 grams and for females it is 438 grams

Similar species

The Northwestern crow bears a resemblance but differs in range. The Fish crow is also similar to the American crow but differs in call. Ravens are often confused with crows but are larger, have a more wedge-like tail and differ in call.

source: http://www.mbr-pwrc.usgs.gov/id/framlst/i4880id.html

Distribution

North America

Predominate throughout the majority of North America on all taxonomic levels although they have not been reported recently in western Texas the eastern part of New Mexico and southern California.

source: http://www.crows.net/life.html

Winter range

source: http://www.crowbusters.com/ac_dist.htm

CBC

Christmas Bird Count. This survey is performed in one calendar day any time from mid-December to early January by volunteers. Birds are counted in an area with a 15 mile radius. Data from this survey is used to generate the CBC maps.

Summer Range

source: http://www.crowbusters.com/ac_dist.htm

BBS

Breeding Bird Survey. This survey is typically performed in June by volunteers on over 4000 bird counts. The counts are done by vehicle during the morning. Many nocturnal or less vocal species are not well surveyed by the BBS. Data from this survey is used to generate the BBS maps.

Taxonomy
 

source: http://www.mbr-pwrc.usgs.gov/id/framlst/i4880id.html

references

http://www.mbr-pwrc.usgs.gov/id/framlst/i4880id.html

http://www.crowbusters.com/ac_dist.htm

http://www.crows.net/life.html

Back to Main Page