Turnstone plumage

We are lucky to have a small population of Ruddy Turnstones, Arenaria interpres, in Scarborough. They spend most of the year here, except for the summer when they fly up to the Arctic to breed. Before they leave in May, they have usually moulted into their gorgeous breeding plumage (below). Their plumage gradually changes over…

Iridescent feathers of pigeons

Rock doves, or common pigeons (Columba livia), like those shown here have iridescent green and purple feathers around their necks. Both males and females show these iridescent colours, although females tend to have less iridescence than males. Iridescence means that the colours change according to the angle of view (or angle of illumination). So as the…