Andrew Parkinson / Hanuman / Northern Plains Grey Langur (Presbytis entellus) two youngsters chase each other up a sloping tree. Bandhavgarh National Park, India.

Andrew Parkinson / Hanuman / Northern Plains Grey Langur (Presbytis entellus) youngster in mid-air leaping from a sloping tree trunk to a nearby tree sapling. Bandhavgarh National Park, India. Non-ex.

Mary McDonald / Northern Plains grey Langur (Semnopithecus entellus) baby holding onto mother, Bandhavgarh National Park, Madhya Pradesh, India

Sandesh Kadur / Northern Pig-tailed Macaque (Macaca leonina) on branch. Gibbon Wildlife Sanctuary, Assam, India.

Mary McDonald / Hanuman Langur / Northern Plains Grey Langur (Semnopithecus entellus) baby playing with a stick by its mother. Kanha National Park, Madhya Pradesh, India.

Mary McDonald / Hanuman Langur / Northern Plains Grey Langur (Semnopithecus entellus) baby playing with a stick by its mother. Kanha National Park, Madhya Pradesh, India.

Mary McDonald / Hanuman Langur / Northern Plains Grey Langur (Semnopithecus entellus) mother with baby in tree. Kanha National Park, Madhya Pradesh, India.

Mary McDonald / Hanuman Langur / Northern Plains Grey Langur (Semnopithecus entellus) in leafless tree top. Kanha National Park, Madhya Pradesh, India.

Ian McCarthy / Bearded vulture {Gypaetus barbatus} soaring over the Himalayas, northern India

Aflo / Northern plains grey langur (Semnopithicus entellus) group resting by trees, Bandhavgarh National Park, India

David Pattyn / Hanuman / Northern Plains Grey Langur (Semnopithecus entellus) family resting in roots of Banyan tree. Ranthabore National Park, India, June.

Kerstin Hinze / Indian Lotus (Nelumbo nucifera) in flower. Endemic to India, south-east Asia and northern Australia. Germany, September.

Kerstin Hinze / Indian Lotus (Nelumbo nucifera) in flower. Endemic to India, south-east Asia and northern Australia. Germany, September.

Andrew Parkinson / Hanuman / Northern Plains Grey Langur (Presbytis entellus) adult female sitting. Bandhavgarh National Park, India.

Andrew Parkinson / Hanuman / Northern Plains Grey Langur (Presbytis entellus). A youngster prepares to leap from the controversial fence that now surrounds large sections of Bandhavgarh National Park, to a tree branch h...

Andrew Parkinson / Hanuman / Northern Plains Grey Langur (Presbytis entellus) adult bounds across open ground. Bandhavgarh National Park, India.

Andrew Parkinson / Bengal Tiger (Panthera tigris) sub-adult, about 16-19 months old, running through a meadow with a Hanuman langur kill. Endangered. Bandhavgarh National Park, India. Non-ex.

Andrew Parkinson / Hanuman / Northern Plains Grey Langur (Presbytis entellus) adult sitting in light on forest track. Bandhavgarh National Park, India. Non-ex.

Andrew Parkinson / Hanuman / Northern Plains Grey Langur (Presbytis entellus) adult female appears to sit in contemplative mood. Bandhavgarh National Park, India. Non-ex.

Andrew Parkinson / Hanuman / Northern Plains Grey Langur (Presbytis entellus) adult, backlit by evening sunlight, feeding in an open meadow. Bandhavgarh National Park, India. Non-ex.

David Pattyn / Northern Plains gray / Hanuman Langur (Semnopithecus entellus) family resting in Banyan tree whilst playful juvenile is swinging at tail of adult, Ranthambore National Park, Rajasthan, India

David Pattyn / Northern Plains gray / Hanuman Langur (Semnopithecus entellus) three langurs resting in between the roots of a Banyan tree that is growing on steep mountain side, Ranthambore National Park, Rajasthan,...

David Pattyn / Northern Plains grey / Hanuman Langur (Semnopithecus entellus) drinking at a tap for pilgrims at Ranthambore fort, Ranthabore National Park, Rajasthan, India

Rod Williams / Eri silkmoth (Samia cynthia ricini) female resting with wings on open on leaves, Northern India, China. Captive.

Mary McDonald / Hanuman Langur / Northern Plains Grey Langur (Semnopithecus entellus) baby sitting with its mother. Kanha National Park, Madhya Pradesh, India.

Michael W. Richards / Hanuman / Northern plains grey langur monkey and young (Semnopithecus entellus) India

Suzi Eszterhas / Hanuman Langur (Semnopithecus entellus) pair grooming, Bandhavgarh National Park, India

Suzi Eszterhas / Hanuman Langur (Semnopithecus entellus), Bandhavgarh National Park, India

Bernard Castelein / Northern / Five striped palm squirrel (Funambulus pennantii) Rajasthan, India

Konrad Wothe / Five-striped Palm Squirrel (Funambulus pennanti) foraging, Chennai, India

Konrad Wothe / Five-striped Palm Squirrel (Funambulus pennanti) in tree, Guindy National Park, India

Ian McCarthy / Alpine / Yellow billed chough {Pyrrhocorax graculus} flying, Himalayas, Northern India

Ian McCarthy / Mount Shivlinga and Meru at dawn, Himalayas, Uttarakhand, northern India

Ian McCarthy / Sadhu, a hindu religious man, Uttarakhand, Northern India

Theo Allofs / Hanuman Langur (Semnopithecus entellus) mother with baby in tree, India

Pete Oxford / Northern / Five-striped palm squirrel (Funambulus pennantii) Bharatpur National Park / Keoladeo Ghana Sanctuary. Rajasthan, India

Pete Oxford / Northern / Five-striped palm squirrel (Funambulus pennantii) Bharatpur National Park / Keoladeo Ghana Sanctuary. Rajasthan, India

Bernard Castelein / Five striped / Northern palm squirrel (Funambulus pennantii) Keoladeo Ghana NP, Bharatpur, Rajasthan, India

Ingo Arndt / Hanuman Langur (Semnopithecus entellus) group on sleeping rock, Jodhpur, India

Ingo Arndt / Hanuman Langur (Semnopithecus entellus) mother and young, Jodhpur, India

Mitsuaki Iwago / Hanuman Langur (Semnopithecus entellus) portrait, India

Patricio Robles Gil / Hanuman Langur (Semnopithecus entellus) pair in a tree, Ranthambore National Park, India

Gerry Ellis / Northern Jungle Queen (Stichophthalma camadeva) female, India

Patricio Robles Gil / Hanuman Langur (Semnopithecus entellus) family group communal grooming, Ranthambore National Park, India

Patricio Robles Gil / Hanuman Langur (Semnopithecus entellus) in tree, Ranthambore National Park, India

Patricio Robles Gil / Hanuman Langur (Semnopithecus entellus) mother nursing her baby, Ranthambore National Park, India

Shin Yoshino / Hanuman Langur (Semnopithecus entellus) family group grooming, India

Bernard Castelein / Northern plains grey / Hanuman langur (Semnopithecus entellus) jumping across river, Corbet NP, India

ZSSD / Barasingha (Rucervus duvaucelii) backlit profile, native to northern India