Response From David Sibley Regarding A Question Of Accuracy About Some Of His Illustrations

western kingbird 0699 ron dudley

Last week I brought into question the accuracy of some of the illustrations in the Sibley Guide To Birds. David Sibley has responded. […]

Comparing Juvenile And Adult Western Kingbirds (and a question of field guide accuracy)

western kingbird 0730 ron dudley

Sometimes what I see in the field and in my images doesn’t match very well with what I see in field guides. This is an example. […]