Tui De Roy / Nazca booby (Sula granti), male pinning another male down during fight. Genovesa Island, Galapagos. Sequence 3/6.

Dave Bevan / Brown rat in garden shed {Rattus norvegicus} Wales, UK.

Mark Raycroft / White-tailed Deer (Odocoileus virginianus) buck that has shed one antler