CO State Symbols
State Bird of Colorado
By USGS
Sep 7, 2006, 11:47 PST

National Geographic Society 1939

Lark bunting
Calamospiza melanocorys

Identification Tips:

• Length: 6 inches
• Large, pale bill
• White wing patch

Adult male alternate:

• Black plumage
• Large wing patch

Adult female:

• Brownish head with pale supercilium
• Brown streaked back
• White underparts with heavy streaking
• Blackish wings with brown edges and white wing patch
• Basic and immature plumages similar to female

Similar species:

The male Lark Bunting is readily identifiable. Female-type plumage is somewhat similar to various sparrows and female finches but has a white wing patch and a large, pale bill.

Length and wingspan from: Robbins, C.S., Bruun, B., Zim, H.S., (1966). Birds of North America. New York: Western Publishing Company, Inc.
Source: USGS

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