Ingo Arndt / Hanuman Langur (Semnopithecus entellus) mother nursing young, Bandhavgarh National Park, India

Sylvain Cordier / Hanuman langur (Semnopithecus entellus), female and baby, Nagarhole National Park, Karnataka, India.

Sylvain Cordier / Northern plains gray langur or Hanuman Langur (Semnopithecus entellus) Rajasthan state, India.

Anup Shah / Hanuman Langur (Semnopithecus entellus) pair in temple, Hampi, Karnataka, India

Ingo Arndt / Southern plains grey / Hanuman langur {Semnopithecus dussumieri} perched on sleeping rock, Jodhpur, India

Ingo Arndt / Southern plains grey / Hanuman langur {Semnopithecus dussumieri} silhouette at sunrise, Jodhpur, Rajasthan, India

Ingo Arndt / Southern plains grey / Hanuman langur {Semnopithecus dussumieri} juvenile male, Jodhpur, Rajasthan, India

Ingo Arndt / Southern plains grey / Hanuman langur {Semnopithecus dussumieri} perched on sleeping rock, Jodhpur, India

Ingo Arndt / Southern plains grey / Hanuman langur (Semnopithecus dussumeri) mother suckling young, Jodpur, India

Francois Savigny / Southern plains grey / Hanuman langur {Semnopithecus dussumieri} adult and young, Bandhavgarh NP, Madhya Pradesh India

Francois Savigny / Southern plains grey / Hanuman langur {Semnopithecus dussumieri} Bandhavgarh NP, India, Madhya Pradesh

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