Erect Posture of the Young Black-billed Cuckoo: An Adaptation for Early Mobility in a Nomadic Species

Black-billed Cuckoo (Coccyzus erythropthalmus) Science Article 2

abstract

The vertical or perpendicular pose of the young Black-billed Cuckoo (Coccyzuse rythropthalmush) as been suggestedto function in concealing the young, implicitly from predators (e.g. Herrick 1910, Bent 1940). F. H. Kennard (in Bent 1940: 75-76) gives thefollowing description of a young Black-billed Cuckoo in this pose

SPENCER G. SEALY, The AUK, 102, 1985

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