Mark Carwardine / Great white shark (Carcharodon carcharias) underwater, Guadalupe Island, Mexico (North Pacific)

Mark Carwardine / Aerial shot zooming in on a superpod of Short-beaked common dolphins (Delphinus delphis), Sea of Cortez, Baja California, Mexico.

Mark Carwardine / Aerial view Fin whales (Balaenoptera physalus) lunge-feeding in the southern Sea of Cortez (Gulf of California), Baja California, Mexico.

Mark Carwardine / Aerial view of Fin whale (Balaenoptera physalus) lunge-feeding, with throat pouch distended, southern Sea of Cortez (Gulf of California), Baja California, Mexico.

Mark Carwardine / Aerial view of Fin whale (Balaenoptera physalus) lunge-feeding, with mouth open and throat pouch distended, southern Sea of Cortez (Gulf of California), Baja California, Mexico.

Mark Carwardine / Aerial view Fin whales (Balaenoptera physalus) lunge-feeding in the southern Sea of Cortez (Gulf of California), Baja California, Mexico.

Mark Carwardine / Aerial view Fin whales (Balaenoptera physalus) lunge-feeding in the southern Sea of Cortez (Gulf of California), Baja California, Mexico.

Mark Carwardine / Harbour porpoise (Phocoena phocoena) surfacing Bay of Fundy, New Brunswick, Canada

Mark Carwardine / Humpback whales (Megaptera novaeangliae) aerial. Baja California, Mexico

Mark Carwardine / Munk's pygmy devil ray / Munk's mobula (Mobula munkiana) large school from the air with one leaping out of the water, Baja California, Mexico

Mark Carwardine / Munk's pygmy devil ray / Munk's mobula (Mobula munkiana) large school from the air, Baja California, Mexico.

Mark Carwardine / Short-finned pilot whale (Globicephala macrorhynchus) aerial view, Baja California, Mexico

Mark Carwardine / Sperm whales (Physeter macrocephalus) female group, aerial view. Baja California, Mexico

Mark Carwardine / Humpback Whale (Megaptera novaeangliae) blowing or spouting and fluking, Southeast Alaska, USA, August.

Mark Carwardine / Grey whale (Eschrichtius robustus) at water surface with mouth open showing baleen plates, San Ignacio Lagoon, Baja California, Mexico

Mark Carwardine / Common / Northern minke whale (Balaenoptera acutorostrata) surfacing, Pacific coast of Baja California, Mexico, February

Mark Carwardine / Marine Iguanas (Amblyrhynchus cristatus), the only marine lizard, basking on volcanic rocks. Galapagos Islands, Ecuador, South America. Book plate from Mark Carwardine's Ultimate Wildlife Experiences.

Mark Carwardine / Three Gentoo Penguins (Pygoscelis papua) standing at the edge of sea ice. Antarctic Peninsula, January. Book plate from Mark Carwardine's Ultimate Wildlife Experiences.

Mark Carwardine / Chinstrap Penguins (Pygoscelis antarcticus) standing on ice. South Shetland Islands, Antarctica, January. Book plate from Mark Carwardine's Ultimate Wildlife Experiences.

Mark Carwardine / Jaguar (Panthera onca), one-year cub peering from behind tree, Cuiaba River, Pantanal, Brazil. near threatened species

Mark Carwardine / Grey Whale (Eschrichtius robustus) calf at the water surface being petted by a tourist. San Ignacio Lagoon, Baja California, Mexico, April.

Mark Carwardine / Tourists in zodiac looking at icebergs. Antarctic Peninsula, January.

Mark Carwardine / Eurasian / European / Forest Wolf (Canis lupus lupus) head portrait resting on ground. Mongolia, August.

Mark Carwardine / Northern / North American river otter (Lontra canadensis) swimming, Captive, Slimbridge, Gloucestershire, UK, July

Mark Carwardine / Mute swan (Cygnus olor) portrait, Slimbridge, Gloucestershire, UK, September

Mark Carwardine / Hawaiian goose / Nene (Branta sandvicensis) lookig down, Slimbridge, Gloucestershire, UK, Captive, native to Hawaii, USA, Vulnerable species, September

Mark Carwardine / Common shelduck (Tadorna tadorna) ducklings huddled together, Slimbridge, Gloucestershire, UK, June

Mark Carwardine / Black rhinoceros (Diceros bicornis) - darted and being prepared for translocation by rangers from the Kenya Wildlife Service, being measured Nairobi National Park, Kenya, Endangered / threatened spec...

Mark Carwardine / Chimpanzee (Pan troglodytes) portrait, Captive, rescued as an orphan, Ngamba Island Chimpanzee Sanctuary, Uganda, Africa, Endangered species, October

Mark Carwardine / Killer whale / Orca (Orcinus orca) surfacing with three seabirds flying, Tysfjord, Norway, November

Mark Carwardine / Killer whale / Orca (Orcinus orca) underwater, Tysfjord, Norway, November

Mark Carwardine / Gulls flying above two Killer whales / Orcas (Orcinus orca) surfacing, Tysfjord, Norway, November

Mark Carwardine / Pink pigeon (Columba / Nesoenas mayeri) threatened / endangered species, Black River Gorges, Mauritius, Indian Ocean, wild

Mark Carwardine / Pink pigeon (Columba / Nesoenas mayeri) threatened / endangered species, Black River Gorges, Mauritius, Indian Ocean, wild

Mark Carwardine / Pink pigeon (Columba / Nesoenas mayeri) threatened / endangered species, Black River Gorges, Mauritius, Indian Ocean, wild

Mark Carwardine / Mauritius / Mascarene / Echo parakeet (Psittacula eques) flying, threatened / endangered species, Black River Gorges, Mauritius, Indian Ocean, wild

Mark Carwardine / Mauritius / Mascarene / Echo parakeet (Psittacula eques) threatened / endangered species, Black River Gorges, Mauritius, Indian Ocean, wild

Mark Carwardine / Pink pigeon (Nesoenas / Columba mayeri) threatened / endangered species, Black River Gorges, Mauritius, Indian Ocean, wild

Mark Carwardine / Mauritius / Mascarene / Echo parakeet (Psittacula eques) Threatened / endangered species, Mauritian Wildlife Foundation breeding centre, Mauritius, captive

Mark Carwardine / Mauritius kestrel (Falco punctatus) threatened / endangered species, once the rarest bird in the world, Mauritian Wildlife Foundation breeding centre, Mauritius, Indian Ocean, captive

Mark Carwardine / Mauritius kestrel (Falco punctatus) threatened / endangered species, once the rarest bird in the world, Mauritian Wildlife Foundation breeding centre, Mauritius, Indian Ocean, captive

Mark Carwardine / Mauritius / Mascarene / Echo parakeet (Psittacula eques) Threatened / endangered species, Mauritian Wildlife Foundation breeding centre, Mauritius, captive

Mark Carwardine / Black rhinoceros (Diceros bicornis) calf, hand reared, Endangered species, Mkhaya Game Reserve, Swaziland

Mark Carwardine / Southern white rhinoceros (Ceratotherium simum simum) beside water, Endangered species, Mkhaya Game Reserve, Swaziland

Mark Carwardine / Southern white rhinoceros (Ceratotherium simum simum) drinking, Endangered species, Mkhaya Game Reserve, Swaziland

Mark Carwardine / Southern white rhinoceros (Ceratotherium simum simum) beside water, Endangered species, Mkhaya Game Reserve, Swaziland

Mark Carwardine / Hippopotamus (Hippopotamus amphibius) family group on river bank, Mlilwane Wildlife Sanctuary, Swaziland, Endangered / threatened species

Mark Carwardine / Dwarf caiman (Paleosuchus palpebrosus) juvenile, close-up of eye, captive, from South America