Ann & Steve Toon / Sable (Hippotragus niger), Chobe National Park, Botswana, June

Neil Aldridge / Sable antelope (Hippotragus niger) bull charging through the shallows of the Selinda Spillway, with another behind, northern Botswana, August.

Jane Burton / Sable Border Collie puppy, 9 weeks, looking over his shoulder.

Jane Burton / Sable Border Collie puppy, 9 weeks, sitting.

Jane Burton / Two Sable Border Collie puppies.

Sergey Gorshkov / Japanese sable (Martes zibellina) resting in tree, Kamchatka, far east Russia, May

Alex Mustard / Caribbean reef shark (Carcharhinus perezi) over sand ripples, Walkers Cay, Bahamas. Tropical West Atlantic Ocean. Taken with natural light.

Alex Mustard / A lone Caribbean reef shark (Carcharhinus perezi) cruises over sand ripples. Walkers Cay, Northern Bahama Islands, Republic of Bahamas.

Pete Oxford / Lioness {Panthera leo} catching a Sable {Hippotragus niger} antelope, Hwange National Park, Zimbabwe, Southern Africa. Sequence

Jane Burton / Sable Border Collie bitch, with chin on sleeping puppy

Pete Oxford / African Lion (Panthera leo) female bringing down Sable Antelope (Hippotragus niger), Africa

Jane Burton / Fawn Dutch rabbit with sleeping Sable-and-white Border Collie pup.