Teratology

So called mutant cow

The mountain gorilla population is small and inbreeding levels are high – and now there’s evidence this inbreeding may explain why some gorillas have distorted facial features

Scientists Goofed and Accidentally Created a New Kind of Fish

Yellow wels catfish caught in Netherlands.

Rat king found in Tartu, Estonia.

Bhutan reports two different colour morphs of the Asiatic golden cat

Colour variants puffin on remote Scottish island