wading birds

Bittern Botaurus stellaris cut to white showing cryptic colouring and large beak and legs

Comparison of Beak use in Darwin’s Finches.  Stippled illustration showing singing, feeding, and preening.

Beak comparison in Darwin’s finches showing use feeding, singing, and preening.  Line drawing.

Singing Darwin’s Finch Geospiza fulginosa showing beak in use.  

Bird preening Darwins Finch Geospiza magnirostris line drawing showing the beak in use in parasite removal

Preening Darwins Finch Geospiza magnirostris line drawing showing the beak in use in parasite removal

Darwins Finch Geospiza magnirostris with Tribulus seed.  Stippled illustration showing beak adaptability.

Two Little stint Calidris minuta in summer plumage on shoreline

Little stint Calidris minuta in summer plumage