Fiona Rogers / Hanuman Langur (Semnopithecus entellus) group on temple, Virupaksha Temple, Hampi, Karnataka, India

Fiona Rogers / Eastern Chimpanzee (Pan troglodytes schweinfurthii) five year old juvenile female, named Fadhila, playing with her three year old brother, named Fifty, Gombe National Park, Tanzania

Fiona Rogers / Eastern Chimpanzee (Pan troglodytes schweinfurthii) mother, twenty-three years old, holding less than one day old newborn, Gombe National Park, Tanzania

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

Fiona Rogers / Red-tail Monkey (Cercopithecus ascanius) in tree, Kakamega Forest Reserve, Kenya

Fiona Rogers / Crested Mangabey (Cercocebus galeritus) mother and five month old young, Tana River Primate Reserve, Kenya

Fiona Rogers / Silvered Leaf Monkey (Trachypithecus cristatus) mother with five month old baby, Bako National Park, Sarawak, Borneo, Malaysia

Fiona Rogers / Japanese Macaque (Macaca fuscata), Jigokudani Monkey Park, Japan

Fiona Rogers / Japanese Macaque (Macaca fuscata) pair grooming in a geothermal spring, Jigokudani Monkey Park, Japan

Fiona Rogers / Japanese Macaque (Macaca fuscata) baby in a geothermal spring, Jigokudani Monkey Park, Japan

Fiona Rogers / Japanese Macaque (Macaca fuscata) female holding her baby, Jigokudani Monkey Park, Japan

Fiona Rogers / Japanese Macaque (Macaca fuscata) female being groomed, Jigokudani Monkey Park, Japan

Fiona Rogers / Japanese Macaque (Macaca fuscata) baby sucking its toe in a geothermal spring, Jigokudani Monkey Park, Japan

Fiona Rogers / Japanese Macaque (Macaca fuscata) female cuddling her baby, Jigokudani Monkey Park, Japan

Fiona Rogers / Sumatran Orangutan (Pongo abelii) twenty-four year old female, named Ratna, playing with her female baby, named Global, Gunung Leuser National Park, Sumatra, Indonesia

Fiona Rogers / Sumatran Orangutan (Pongo abelii) twenty-six year old male, named Halik, biting lip, Gunung Leuser National Park, Sumatra, Indonesia

Fiona Rogers / Sumatran Orangutan (Pongo abelii) twenty-six year old male, named Halik, Gunung Leuser National Park, Sumatra, Indonesia

Fiona Rogers / Hanuman Langur (Presbytis entellus) male on temple, Hampi, Karnataka, India

Fiona Rogers / Hanuman Langur (Presbytis entellus) juvenile, Hampi, Karnataka, India

Fiona Rogers / Hanuman Langur (Presbytis entellus) pair grooming, Hampi, Karnataka, India

Fiona Rogers / Hanuman Langur (Semnopithecus entellus) group on temple, Virupaksha Temple, Hampi, Karnataka, India

Fiona Rogers / Hanuman Langur (Presbytis entellus) females grooming, Hampi, Karnataka, India

Fiona Rogers / Eastern Chimpanzee (Pan troglodytes schweinfurthii) three year old juvenile male, Gombe National Park, Tanzania

Fiona Rogers / Toque Macaque (Macaca sinica) mothers and newborns, Polonnaruwa, Sri Lanka

Fiona Rogers / Toque Macaque (Macaca sinica) mother and juvenile daughter, Polonnaruwa, Sri Lanka

Fiona Rogers / Toque Macaque (Macaca sinica) females and young, Polonnaruwa, Sri Lanka

Fiona Rogers / Eastern Chimpanzee (Pan troglodytes schweinfurthii) young female, four years old, Gombe National Park, Tanzania

Fiona Rogers / Eastern Chimpanzee (Pan troglodytes schweinfurthii) male, fourty-one years old, Gombe National Park, Tanzania

Fiona Rogers / Eastern Chimpanzee (Pan troglodytes schweinfurthii) male, fourty-one years old, Gombe National Park, Tanzania

Fiona Rogers / Eastern Chimpanzee (Pan troglodytes schweinfurthii) male, thirty-six years old, Gombe National Park, Tanzania

Fiona Rogers / Eastern Chimpanzee (Pan troglodytes schweinfurthii) male, thirty-six years old, Gombe National Park, Tanzania

Fiona Rogers / Eastern Chimpanzee (Pan troglodytes schweinfurthii) young female, three months old, Gombe National Park, Tanzania

Fiona Rogers / Eastern Chimpanzee (Pan troglodytes schweinfurthii) young female, two years old, Gombe National Park, Tanzania

Fiona Rogers / Eastern Chimpanzee (Pan troglodytes schweinfurthii) young female, one year old, Gombe National Park, Tanzania

Fiona Rogers / Eastern Chimpanzee (Pan troglodytes schweinfurthii) young male, two years old, Gombe National Park, Tanzania

Fiona Rogers / Eastern Chimpanzee (Pan troglodytes schweinfurthii) male, twenty-three years old, calling, Gombe National Park, Tanzania

Fiona Rogers / Eastern Chimpanzee (Pan troglodytes schweinfurthii) young male, two years old, feeding on leaves, Gombe National Park, Tanzania

Fiona Rogers / Eastern Chimpanzee (Pan troglodytes schweinfurthii) male, thrity-six years old, being groomed, Gombe National Park, Tanzania

Fiona Rogers / Eastern Chimpanzee (Pan troglodytes schweinfurthii) male, thirty-six years old, Gombe National Park, Tanzania

Fiona Rogers / Eastern Chimpanzee (Pan troglodytes schweinfurthii) young male, two years old, Gombe National Park, Tanzania

Fiona Rogers / Eastern Chimpanzee (Pan troglodytes schweinfurthii) young female, one year old, Gombe National Park, Tanzania

Fiona Rogers / Mountain Gorilla (Gorilla gorilla beringei) female, Virunga National Park, Democratic Republic of the Congo

Fiona Rogers / Mountain Gorilla (Gorilla gorilla beringei) silverback, Virunga National Park, Democratic Republic of the Congo

Fiona Rogers / Mountain Gorilla (Gorilla gorilla beringei) female, Virunga National Park, Democratic Republic of the Congo

Fiona Rogers / Mountain Gorilla (Gorilla gorilla beringei) silverback, Virunga National Park, Democratic Republic of the Congo

Fiona Rogers / Mountain Gorilla (Gorilla gorilla beringei) juvenile, Virunga National Park, Democratic Republic of the Congo

Fiona Rogers / Mountain Gorilla (Gorilla gorilla beringei) juvenile, Virunga National Park, Democratic Republic of the Congo

Fiona Rogers / Mountain Gorilla (Gorilla gorilla beringei) silverback in defensive posture, Virunga National Park, Democratic Republic of the Congo