Martha Holmes / Burrowing owl (Athene cunicularia) living in a wrecked helicopter fuselage. Florida, USA. August 2008.

Martha Holmes / Edge of large piece of ice sheet drifting in sea. Antarctic Peninsula. February 2008.

Martha Holmes / Cameraman Doug Allan prepares to film swimming polar bear from boat. On location for BBC Polar Bear programme 1996

Martha Holmes / Iceberg prow, summer, Antarctica

Martha Holmes / Southern elephant seal {Mirounga leonina} close-up of hand-like flipper scratching, Falkland Islands.

Martha Holmes / Detail of Hippopotamus skin showing oily secretion {Hippopotamus amphibius}

Martha Holmes / Emperor penguins {Aptenodytes forsteri} jumping out of sea onto ice, Cape Washington, Antarctica

Georgette Douwma / "Seatrek" programme presenters Martha Holmes and Mike de Gruy feeding Butterflyfish off Hawaii, 1991 - BBC NHU television series

Georgette Douwma / Martha Holmes swims with Whale Shark off Hawaii, 1991 on location for BBC NHU television series "Seatrek", Model released

Martha Holmes / Young orphan chimpanzee (Pan troglodytes) captive, Zambia

Martha Holmes / Group of Hippopotamuses in river (Hippopotamus amphibius) Luangwa River, Zambia, Africa.

Martha Holmes / Pod of Killer whales {Orcinus orca} with snowy mountains behind, Tysfiord, Norway