Crested pigeons make a distinct whistling sound when startled into flight but with noisy wings, not voices. Each wing has a modified feather which produces the unique high-pitched sound. Identical in appearance, males and females share parental duties. They take turns sitting on the eggs and both feed the chicks, called squabs, crop milk.
Leucocephalon yuwonoi Although they like to spend time in the water, this short-clawed turtle cannot swim well. Only discovered in 1995 and rarely observed…