1320-298 - A Gentoo penguin (Pygoscelis papua), with a rare condition, leucism, in the Antarctic Peninsula, Polar Regions

1320-296 - A Gentoo penguin (Pygoscelis papua), with a rare condition, leucism, in the Antarctic Peninsula, Polar Regions

1320-297 - A Gentoo penguin (Pygoscelis papua), with a rare condition, leucism, in the Antarctic Peninsula, Polar Regions

860-286769 - White southern right whale calf swimming with its mother, Port St-Johns, South Africa

860-286768 - White southern right whale calf swimming with its mother, Port St-Johns, South Africa

1112-3006 - A young leucistic Antarctic fur seal (Arctocephalus gazella), blond due to lack of melanin, Cooper Bay, South Georgia, Polar Regions

917-241 - Leucistic Antarctic Fur Seal pup, Arctocephalus gazella, South Georgia, South Atlantic Ocean. Leucism is a general term for the phenotype resulting from defects in pigment cell differentiation and/or migration from the neural crest to skin, hair or feathers . This results in either the entire body surface or patches of the body surface having a lack of cells capable of making pigment.

917-240 - Leucistic Antarctic Fur Seal pup, Arctocephalus gazella, amongst normally coloured animals, South Georgia, South Atlantic Ocean. Leucism is a general term for the phenotype resulting from defects in pigment cell differentiation and/or migration from the neural crest to skin, hair or feathers . This results in either the entire surface or patches of the body surface having a lack of cells capable of making pigment.