French: Tyranneau de Cocos German: Kokos-Insel-Tyrann Spanish: Mosquerito de Cocos
C. H. Townsend
Cocos Island, off Pacific coast of Costa Rica
Cocos I, SW of Costa Rica.
11 cm; 11 g. Variably coloured tyrannid with unusually long and broad bill. Above, is greyish-olive to dark brownish-olive, crown like back, faint supercilium slightly paler... read more
Male has two song types, an explosive, dry, descending chatter of 6–9 syllables, speeding up... read more
Humid tropical and subtropical forest and forest edge, second growth, and scrubby and swampy areas... read more
Food and feeding
Arthopods; occasionally fruits. In analysis of 26 stomachs, diet overwhelmingly dominated by fulgoroid homopterans (planthoppers... read more
Jan–Apr. Nest constructed by both sexes, a substantial open cup, outside diameter 7·5 cm, inside 4·5 cm, of plant fibres, fine black... read more
Status and conservation
VULNERABLE. Restricted-range species: present in Cocos Island EBA. Common in most habitats. Estimated population of several tens of thousands, within global range of c. 25 km... read more
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