Bernard Castelein / Southern plains grey langur ( Semnopithecus entellus / Presbytis entellus) close up face profile, Sawai Modhopur, Rajasthan, India

Bernard Castelein / Southern plains grey langur (Semnopithecus entellus / Presbytis entellus) tiny juvenile, Jodhpur, Rajasthan India

Matthew Maran / Southern plains grey / Hanuman langur {Semnopithecus dussumieri} jumping towards tree trunk, Bandhavgarh National Park, Madya Pradesh, India

Bernard Castelein / Southern plains grey / Hanuman langur {Semnopithecus dussumieri} family group on rock, Rajasthan, India

Tony Heald / Southern plains grey / Hanuman langur {Semnopithecus dussumieri} baby reaching up to mother's face, Bandhavgarh NP, Madhya Pradesh, India, March

Bernard Castelein / Southern plains grey / Hanuman langur {Semnopithecus dussumieri} with baby, Madhav NP, Madhya Pradesh, India

Laurent Geslin / Southern plains grey / Hanuman langur {Semnopithecus dussumieri} stretching out hand to touch camera, Ranthambore NP, Rajasthan, India. 2006

Laurent Geslin / Southern plains grey / Hanuman langur {Semnopithecus dussumieri} display, Ranthambore NP, Rajasthan, India.

Jean-Pierre Zwaenepoel / Contemplating Southern plains grey / Hanuman langur {Semnopithecus dussumieri} sitting in tree, Kumbhalgarh Wildlife Sanctuary, Rajasthan, India. WPY compeition 2005 winner.

Jean-Pierre Zwaenepoel / Southern plains grey / Hanuman langur {Semnopithecus dussumieri} adult females embracing, Thar desert, Rajasthan, India

Jean-Pierre Zwaenepoel / Southern plains grey / Hanuman langur {Semnopithecus dussumieri} juvenile standing, looking out, Thar desert, Rajasthan, India

Jean-Pierre Zwaenepoel / Southern plains grey / Hanuman langur {Semnopithecus dussumieri} two adolescents sitting, Thar desert, Rajasthan, India Not available for ringtone/wallpaper use.

Jean-Pierre Zwaenepoel / Southern plains grey / Hanuman langur {Semnopithecus dussumieri} group sunning, Thar desert, Rajasthan, India

Jean-Pierre Zwaenepoel / Southern plains gray / Hanuman langur {Semnopithecus dussumieri} group sitting in sun, Thar desert, Rajasthan, India

Jean-Pierre Zwaenepoel / Hindu man feeding troop of Southern plains grey / Hanuman langur {Semnopithecus dussumieri} nr Jodhpur, Rajasthan, India.

Jean-Pierre Zwaenepoel / Southern plains grey / Hanuman langur {Semnopithecus dussumieri} group grooming, India

Jean-Pierre Zwaenepoel / Southern plains grey / Hanuman langur {Semnopithecus dussumieri} mother and young sitting on roof, Jodhpur, India

Elio Della Ferrera / Southern plains grey / Hanuman langur {Semnopithecus dussumieri} sitting on arm of statue of Buddha. Sri Lanka

Laurent Geslin / Two Southern plains grey / Hanuman langur {Semnopithecus dussumieri} females suckling young, Sariska NP, India

Laurent Geslin / Southern plains grey / Hanuman langur {Semnopithecus dussumieri} two adults with young, one jumping, Sariska NP, Rajasthan, India

Anup Shah / Young Southern plains grey / Hanuman langur {Semnopithecus dussumieri} playing, Ranthambore NP, India

Anup Shah / Young Southern plains grey / Hanuman langur {Semnopithecus dussumieri} playing, Ranthambore NP, India

Anup Shah / Troop of Southern plains grey / Hanuman langur {Semnopithecus dussumieri} feeding, Ranthambhore NP, Rajasthan, India

Bernard Castelein / Two Southern plains grey / Hanuman langur {Semnopithecus dussumieri} drinking, Sariska NP, Rajasthan, India

Bernard Castelein / Southern plains grey / Hanuman langur {Semnopithecus dussumieri} drinking, Sariska NP, Rajasthan, India

Bernard Castelein / Southern plains grey / Hanuman langur {Semnopithecus dussumieri} pregnant female on temple Mandore temple, Jodhpur, India

Ingo Arndt / Southern plains grey / Hanuman langur {Semnopithecus dussumieri} females and young, Jodhpur, India

Ingo Arndt / Southern plains grey / Hanuman langur {Semnopithecus dussumieri} mother and baby, Jodhpur, Rajasthan, India

Bernard Castelein / Southern plains grey / Hanuman langur {Semnopithecus dussumieri} with young, Ranthambore NP, India

Bernard Castelein / Southern plains grey langur ( Semnopithecus entellus / Presbytis entellus) group sitting in Banyan tree, Sawai Modhopur, Rajasthan India

Bernard Castelein / Southern plains grey langur ( Semnopithecus entellus / Presbytis entellus) family troop sitting on rock face, Jodhpur, Rajasthan India

Bernard Castelein / Southern plains grey langur ( Semnopithecus entellus / Presbytis entellus) group huddled together, Jodhpur, Rajasthan India

Bernard Castelein / Southern plains grey langur ( Semnopithecus entellus / Presbytis entellus) two adults sitting, one with juvenile, Jodhpur, Rajasthan India

Bernard Castelein / Southern plains grey langur (Semnopithecus entellus / Presbytis entellus) tiny juvenile on rock, Jodhpur, Rajasthan India

Bernard Castelein / Southern plains grey langur ( Semnopithecus entellus / Presbytis entellus) adult cuddling young, Jodhpur, Rajasthan India

Bernard Castelein / Southern plains grey langur ( Semnopithecus entellus / Presbytis entellus) very small baby, Jodhpur, Rajasthan India

Bernard Castelein / Southern plains grey langur ( Semnopithecus entellus / Presbytis entellus) grooming juvenile, Jodhpur, Rajasthan India

Bernard Castelein / Southern plains grey langur (Semnopithecus entellus / Presbytis entellus) group drinking from village tap, Jodhpur, Rajasthan India

Bernard Castelein / Southern plains grey langur (Semnopithecus entellus / Presbytis entellus) drinking from village tap, Jodhpur, Rajasthan India

Bernard Castelein / Southern plains grey langur (Semnopithecus entellus / Presbytis entellus) drinking from village tap, Jodhpur, Rajasthan India

Bernard Castelein / Southern plains grey langur (Semnopithecus entellus / Presbytis entellus) group drinking from village tap, Jodhpur, Rajasthan India

Sandesh Kadur / Soputhern plains grey / Hanuman langur (Semnopithecus dussumieri) sitting in tree, Tadoba-Andhari Reserve, Maharashtra, India, Novembert

Axel Gomille / Photographer Axel Gomille sitting by a Southern plains grey / Hanuman langur {Semnopithecus dussumieri} Ranthambhore Fort, Rajasthan, India

Axel Gomille / Southern plains grey / Hanuman langur {Semnopithecus dussumieri} amongst the branches of a tree. Rajasthan, India .

Patricio Robles Gil / Southern plains grey / Hanuman langur {Semnopithecus dussumieri} Bandhavgarh National Park, Madhya Pradesh, India, November

Matthew Maran / Southern plains grey / Hanuman langur {Semnopithecus dussumieri} sitting in tree, Bandhavgarh National Park, Madya Pradesh, India

Matthew Maran / Southern plains grey / Hanuman langur {Semnopithecus dussumieri} climbing tree, Bandhavgarh National Park, Madya Pradesh, India

Piper Mackay / Southern plains grey / Hanuman langur {Semnopithecus dussumieri} mother with baby, Ranthambore NP, Rajasthan, India