David Attenborough looks at how animals form partnerships. Birds rid larger animals of itchy hangers-on, hermit crabs enlist stinging anemones to repel octopuses. Show more
Discover 11,128,835 listings and 277,887 playable programmes from the BBC
David Attenborough looks at how animals form partnerships. Birds rid larger animals of itchy hangers-on, hermit crabs enlist stinging anemones to repel octopuses. Show more