Brown creeper

Certhia americana

TAXONOMY

Certhia americana Bonaparte, 1838, North America. OTHER COMMON NAMES

English: American treecreeper; French: Grimpereau brun; German: Andenbaumläufer; Spanish: Trepador Americano.

PHYSICAL CHARACTERISTICS

Length 5.25 in (13 cm). Populations highly variable, but generally upperparts dark brown, spotted and streaked with white, buff, or pale gray; cinnamon-colored rump and undertail coverts, underparts white to buff; western and Mexican populations darker and smaller.

DISTRIBUTION

North and Central America.

HABITAT

Forest and woodland. BEHAVIOR

Fly to base of tree and search for insects while climbing upwards.

FEEDING ECOLOGY AND DIET

Spiders, insects, and other small invertebrates; sometimes seeds from feeders in winter.

REPRODUCTIVE BIOLOGY

Nest behind loose bark or crevice within 197 ft (60 m) of water. Nest cup shaped with "horns." Five to six eggs, eggs white with reddish brown spots.

CONSERVATION STATUS

Possibly declining, but not threatened at this time.

SIGNIFICANCE TO HUMANS None known. ♦

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