Animal Melodies: 5 of Nature’s Sweetest Singers

Humans are known to carry a tune, but we're hardly the only animals that sing. In fact we've got five of nature's finest singers, and what makes them so unique. Chapters View all BIRDS 1:17 BATS 3:26 FRUIT FLIES 5:18 MICE AND RATS 7:09 TOADFISH 10:11