Fiona Rogers / Southern plains grey langur / Hanuman langur (Semnopithecus dussumieri) female grooming a domestic dog. Jodhpur, Rajasthan, India. March.

Anup Shah / Southern plains grey langur / Hanuman langur (Semnopithecus dussumieri) females hugging to reinforce rank. Jodhpur, Rajasthan, India. March.

Fiona Rogers / Southern Plains Gray Langur (Semnopithecus dussumieri) newborn with mother, Jodhpur, Rajasthan, India

Tony Heald / Hanuman langur (Semnopithecus entellus) baby next to mother, Bandhavgarh National Park, India.

Tony Heald / Hanuman langur (Semnopithecus entellus) eating coconut husk, Bandhavgarh National Park, India. March.

David Pattyn / Hanuman langur / Northern Plains Grey Langur (Semnopithecus entellus) drinking from a water tap at Ranthambore fort. Ranthambore National Park, Rajasthan, 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.

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

Cyril Ruoso / Hanuman Langur (Semnopithecus entellus) three on building grooming each other, Rajasthan, India

Cyril Ruoso / Hanuman Langur (Semnopithecus entellus) group grooming a dog, Rajasthan, India

Cyril Ruoso / Hanuman Langur (Semnopithecus entellus) group grooming a dog, Rajasthan, India