ME State Symbols
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Updated: Jun 23rd, 2008 - 20:07:13 |
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State Bird of Maine
By USGS
Sep 7, 2006, 20:12 PST |
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Black-capped chickadee
Poecile atricapilla
Identification Tips:
- Length: 4.5 inches
- Short bill
- Black crown and throat
- White face
- Pale gray upperparts
- White edges to wing coverts
- Grayish-white underparts
- Rusty flanks
- Sexes similar
- Often found in small flocks
Similar species:
The Black-capped Chickadee is very similar to the Carolina Chickadee and
where their ranges overlap they can be difficult to separate. In fact, they
have trouble telling themselves apart and hybrids occur. The most obvious
difference between them is their songs. Black-capped sings a two note song
while Carolina sings a four note song. Hybrids sing a three note song.
Outsided of the breeding season, when chickadees don't sing much, the
Black-capped is slightly larger, has more white edging in the wing and has
slower, lower-pitched calls. Boreal and Chestnut-backed Chickadees have more
brown in their plumages than the Black-capped.
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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