Siberian rubythroat

Erithacus calliope

TAXONOMY

Erithacus calliope Pallas, 1776. OTHER COMMON NAMES

French: Calliope Sibérienne; German: Rubinkehlchen; Spanish: Ruiseñor Caliope.

PHYSICAL CHARACTERISTICS

5.5 in (14 cm); male 0.74-1.0 oz (21-29 g); female 0.56-0.78 oz (16-22 g). Brownish upperparts with white eyebrow and malar stripe. Throat is red (male) or white (female). Males have light brown beast fading to buff, while females have whitish buff underparts with a brown breast band.

DISTRIBUTION

Northern and central Siberia from Urals to Kamchatka. HABITAT

Lowland forest, also up to tree line or above in subalpine scrub; usually in thickets, boggy clearings, riverine glades, or meadows.

BEHAVIOR

Solitary or in small, loose parties, usually on or close to the ground in thick undergrowth, but runs rapidly over open spaces.

FEEDING ECOLOGY AND DIET

Mostly beetles and other insects, but also various aquatic invertebrates from riversides and shorelines.

REPRODUCTIVE BIOLOGY

Apparently monogamous and territorial; nests from June-July, in thick bush or tussock near ground; four to six eggs, incubated by female, period undetermined.

CONSERVATION STATUS

Not threatened.

SIGNIFICANCE TO HUMANS None known. ♦

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