Man and the Earth
The Woodpeckers I
S2 • E38 Jan 3, 1978 26m
These birds, belonging to the order Piciformes, build their nests by drilling into wood. Among woodpeckers, some are practically omnivorous, such as the great spotted woodpecker. Others, like the green woodpecker, feed on wood-boring larvae and ants, using their extremely long protractile tongue.