French: Sterne inca German: Inkaseeschwalbe Spanish: Charrán inca
Lesson & Garnot
Humboldt Current region from N Peru (Lobos de Tierra I) S to C Chile (at least to R Aconcagua, Concon Is#R).
39–42 cm; 180–210 g (in captivity, average 189 g). Unique and unmistakable; body dark slate, paler on throat and underwing-coverts; white stripe curling back and... read more
Vocal at nesting colonies. Calls include mewing and raucous cackling notes.
Mainly found on inshore “guano islands”, but also 67 km offshore on Hormigas de Afuera... read more
Food and feeding
Mainly small anchovetta (Engraulis ringens); also planktonic crustaceans; offal and scraps. Associates with fishing boats; large... read more
Probably aseasonal. Eggs found Apr–Jul and Oct–Dec; young found mid-Jul. In the north of the range, on the Lobos de Afuera... read more
Permanently resident, with no systematic migration. Non-breeders move opportunistically to follow... read more
Status and conservation
Not globally threatened. Currently considered Near Threatened. Numbers fluctuate from year to year, depending on food availability in relation to El Niño; populations... read more
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