Jen Guyton / Southern giraffe (Giraffa camelopardalis) licks its own nostril in Hluhluwe-Imfolozi park, South Africa.

Kristel Richard / Wild Przewalski / Takhi Horse (Equus ferus przewalskii) breeding stallion licks his colt, while his mare scratches her leg, Hustai National Park, Tuv Province, Mongolia. Endangered species. September.

Andrew Parkinson / Bengal Tiger (Panthera tigris) large six year old adult male licks a tree trunk that has been marked by another tiger, possibly to detect whether a female was in oestrus. Endangered. Bandhavgarh Natio...

Eric Baccega / Two European grey wolves (Canis lupus) with blood stained fur, one licks the other. Bayerischerwald National Park, Germany.

Jane Burton / Female Guinea pig licking newborn baby clean, while it also licks itself

Jane Burton / European Hedgehog {Erinaceus europaeus} self anointing; raising the skin of its back into ridges and twisting itself round to get the saliva far back on the spines, UK, captive

Anup Shah / Female Lioness licks tiny cub (Panthera leo) Masai Mara NR, Kenya

Yva Momatiuk & John Eastcott / Thomson's Gazelle (Eudorcas thomsonii) doe licks her fawns urine so that predators can't pick-up the scent, Masai Mara National Reserve, Kenya

Sumio Harada / Mountain Goat (Oreamnos americanus) male cautiously licks female to signal interest in mating, Rocky Mountains, North America

Barrie Britton / Mountain goat licks rock for mineral salts {Oreamnos americanus} Glacier NP, Montana

George McCarthy / Hedgehog self annointing {Erinaceus europaeus} UK

George McCarthy / Hedgehog self annointing {Erinaceus europaeus} UK