Shaping of hooks in New Caledonian crows.
Weir
Alex A S
AA
Department of Zoology, South Parks Road, Oxford OX1 3PS, UK.
Chappell
Jackie
J
Kacelnik
Alex
A
D000818:Animals; D001522:Behavior, Animal; D003071:Cognition; D005260:Female; D008297:Male; D020308:Songbirds / Q000502:physiology*