In the belief that nature documentaries shouldn't be restricted to the wilderness, David Johns has produced a sketch of the Australian bin chicken. This parody features narration by Rupert Degas, a pretty good David Attenborough soundalike.
Aside from parodying regular Planet Earth episodes, this is some pretty good coverage of the way that animals adapt to what humans have done to their environment. Read more about bin chickens here. -via Boing Boing