Samples of the dorsal (middle column) and ventral (left column) sides of wings from bird specimens analyzed ... magnitude of variation across different parts of the consensus wing ( figure h).
They flash their white outer tail feathers ... contrasts with blacker wings. Black line through a yellow eye. Bill relatively short and straight. Juvenile: underparts can be heavily spotted ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback