Can you smell with your feet? Do you dig your claws into a river's muddy bank to climb up and bask in the sun? Animals' legs are different from humans' in so many ways Find out why strong talons suit a raptor, or webbing is perfect for water dwellers as author Mary Holland continues her photographic Animal Anatomy and Adaptations series by exploring the ways insects, amphibians, reptiles and mammals make their way in the world.