David Attenborough's Natural Curiosities

David Attenborough examines the story of the chameleon's tongue and the giraffe's neck.

David Attenborough examines the cases of the mysterious platypus and tadpole.

David Attenborough examines the overtly wrinkly skin of the elephant and the mole rat.

David Attenborough examines the narwhal's tusk and the spiral shells found on snails.

David Attenborough examines a zebra's stripes and the patterned wings of a butterfly.