Common Goldeneye (Bucephala clangula, female) (3)
In winter and early spring, male common goldeneyes perform a complex series of courtship displays, in which the male bends his head back to touch his rump, then thrusts forward…
In winter and early spring, male common goldeneyes perform a complex series of courtship displays, in which the male bends his head back to touch his rump, then thrusts forward…