Chiffchaff

Phylloscopus collybita

SUBFAMILY

Sylviinae

TAXONOMY

Phylloscopus collybita Vieillot, 1817. OTHER COMMON NAMES

English: Common, Eurasian chiffchaff; French: Pouillot véloce; German: Zilpzalp; Spanish: Mosquitero Común.

PHYSICAL CHARACTERISTICS

3.9-4.3 in (10-11 cm); 0.2-0.4 oz (6-12 g). Small warbler with short, fine bill, olive-green upperparts, white underparts, brownish flanks, a dark line through the eye, surmounted by a light line.

DISTRIBUTION

Breeds from Iberia, British Isles and Scandinavia to Caspian Sea, northern Mongolia, eastern Siberia. Winters in Western Europe, Mediterranean, northwest Africa, Middle East, India and sub-Saharan Africa.

HABITAT

Open woodland with tall undergrowth, parks, and scrub, typically in lowlands.

BEHAVIOR

Solitary or in pairs during breeding season. In small groups or mixed flocks in migration and winter. Territorial. Song highly variable; in nominate group it is series of two-note alternating phrases.

FEEDING ECOLOGY AND DIET

Forages from ground to canopy for insects, gleaning from foliage.

REPRODUCTIVE BIOLOGY

Monogamous, sometimes facultatively polygynous. Nest is built by the female; dome of dry gr-ss and other plant materials with a side entrance, on or near the ground in thick vegetation. Four to seven eggs, incubated 13-15 days by female;

nestlings cared by female; fledge after 14-16 days. Brood independent after 10-19 days.

CONSERVATION STATUS

Not threatened.

SIGNIFICANCE TO HUMANS None known. ♦

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