From helping them find mates to bettering their ability to camouflage, marks on animals and birds serve various purposes.

A few kilometres from the Big Cat Live camp was a hyena den whose occupants we were able to follow on the webcams and with thermal imaging cameras. Such dens are hard to spot unless the hyenas are ...

Sia is one of the easiest hyenas to recognise. As she is still young, her coat is smooth and the spots are clearly visible, further helped by her contrasting dark spots against the blonde colour.