Michael W. Richards / Baby Indian elephant (Elephas maximus) bath time with mother, Pench National Park, Madhya Pradesh, India.

Michael W. Richards / Domesticated Indian elephants (Elephas maximus) being walked to forest at sunset, Pench Tiger Reserve, Madhya Pradesh, India

Michael W. Richards / Domesticated Indian elephants (Elephas maximus) being walked to forest at end of the working day, Pench Tiger Reserve, Madhya Pradesh, India

Michael W. Richards / Domesticated Indian elephant (Elephas maximus) low angle view of having howdah fitted to take people into Pench Tiger Reserve, Madhya Pradesh, India

Michael W. Richards / Wide angle view of baby Indian elephant, domesticated (Elephas maximus indicus), just a few days old standing below mothe'rs legs, Pench Tiger Reserve, Madhya Pradesh, India

Visuals Unlimited / 3D MRI scan of a Dolphin

Michael W. Richards / Greater black backed gulls feeding on bycatch {Larus marinus} Norway, Europe

Michael W. Richards / Chimpanzee troupe nut cracking in rainforest clearing (Pan troglodytes) Tai Forest, Ivory Coast, Africa

Eric Baccega / Veterinarian administratiing a sedative injection to a female Orangutan (Pongo pygmaeus) for a check with an MRI scanner, Zooparc Beauval, France, October 2017.

Eric Baccega / Veterinarian transporting a female Orangutan (Pongo pygmaeus) under anaesthetic for a check with an MRI scanner, Zooparc Beauval, France, October 2017.

Eric Baccega / Female Orangutan (Pongo pygmaeus) under anaesthetic and undergoing an MRI scanner in the surgery station of the zoo, Zooparc Beauval, France, October 2017.

Eric Baccega / Female Orangutan (Pongo pygmaeus) under anaesthetic and undergoing an MRI scanner in the surgery station of the zoo, Zooparc Beauval, France, October 2017.

Eric Baccega / Chief veterinarian, Baptiste Mulot, performing MRI imaging on a female Orangutan (Pongo pygmaeus) under anaesthetic in the zoo surgery station, Zooparc Beauval, France, October 2017.

Eric Baccega / Veterinarian making an intravenous infusion for female Orangutan (Pongo pygmaeus) under anaesthetic, before a scan with an MRI scanner, Beauval Zoo, France, October 2017.

Eric Baccega / Veterinarian taking a blood sample from female Orangutan (Pongo pygmaeus) under anaesthetic, before a check with an MRI scanner, Beauval Zoo, France, October 2017.

Eric Baccega / Female Orangutan (Pongo pygmaeus) under anaesthetic and undergoing an MRI scan, Beauval Zoo,France, October 2017.

Eric Baccega / Female Orangutan (Pongo pygmaeus) under anaesthetic and undergoing a MRI scan, Beauval Zoo. France, October 2017.

Eric Baccega / Female Orangutan (Pongo pygmaeus) under anaesthetic and undergoing an MRI scanner in the surgery station of the zoo, Zooparc Beauval, France, October 2017.

Michael W. Richards / Two Common starlings (Sturnus vulgaris) landing at and drinking from a birdbath before taking off, Somerset, England, UK, October.

Michael W. Richards / Common starlings (Sturnus vulgaris) and House sparrows (Passer domesticus) landing at and bathing in a birdbath before taking off, Somerset, England, UK, October.

Michael W. Richards / Clouds moving in front of full moon, Somerset, England, UK, September.

Michael W. Richards / Blue tit (Cyanistes caeruleus) drinking at a garden birdbath, Somerset, England, UK, September.

Michael W. Richards / Juvenile Common starlings (Sturnus vulgaris) and House sparrows (Passer domesticus) landing at and bathing in a birdbath before taking off, Somerset, England, UK, October.

Michael W. Richards / Red admiral (Vanessa atalanta) nectaring on Hemp agrimony (Eupatorium cannabinum) flowers, Somerset, England, UK, August.

Michael W. Richards / Red admiral (Vanessa atalanta) nectaring on Hemp agrimony (Eupatorium cannabinum) flowers, Somerset, England, UK, August.

Michael W. Richards / Red admiral (Vanessa atalanta) nectaring on Hemp agrimony (Eupatorium cannabinum) flowers, Somerset, England, UK, August.

Michael W. Richards / Speckled wood (Pararge aegeria) feeding on Blackberries (Rubus fruticosus), Somerset, England, UK, August.

Michael W. Richards / Static shot of long grass containing Cornflowers (Centaurea cyanus) and Common poppies (Papaver rhoeas), with a farmhouse in the background, Somerset, England, UK, August.

Michael W. Richards / Chicken (Gallus gallus domesticus) dust bathing surrounded by chicks, Somerset, England, UK, August.

Michael W. Richards / Blue tit (Cyanistes caeruleus) in flight carrying grass to make nest in nest box, Somerset, UK, April.

Michael W. Richards / Red fox (Vulpes vulpes) with dead chicken from farmyard, Somerset, UK, March.

Michael W. Richards / European hedgehog (Erinaceus europaeus) on a graden lawn, Somerset, UK, August.

Michael W. Richards / Red fox (Vulpes vulpes) in garden, Somerset, UK, March.

Michael W. Richards / House sparrow (Passer domesticus) drinking and bathing at edge of pond, Somerset, UK, June.

Michael W. Richards / Forest park guard on motorbike, Pench National Park, Madhya Pradesh, India, 2006

Michael W. Richards / Domesticated oxen (Bos indicus) threshing rice crop, rural Madhya Pradesh, Indiam 2005

Michael W. Richards / Bengal tigress (Panthera tigris tigris) resting in water, Pench National Park, Madhya Pradesh, India

Michael W. Richards / Bengal tigrees (Panthera tigris tigris) resting with small cub, Pench National Park, Madhya Pradesh, India

Michael W. Richards / Bengal tigers (Panthera tigris tigris) two cubs at rest together, Pench National Park, Madhya Pradesh, India

Michael W. Richards / Bengal tiger (Panthera tigris tigris) cub resting on rock in middle of jungle, Pench National Park, Madhya Pradesh, India

Michael W. Richards / Three large Bengal tiger cubs at rest (Panthera tigris tigris) Pench National Park, Madhya Pradesh, India

Michael W. Richards / Bengal tiger cub (Panthera tigris tigris) Pench National Park, Madhya Pradesh, India

Michael W. Richards / Bengal tiger (Panthera tigris tigris) cub at rest, Pench National Park, Madhya Pradesh, India

Michael W. Richards / Bengal tiger (Panthera tigris tigris) watched by tourists on Indian elephant (Elephas maximus) as part of 'tiger show', Pench National Park, Madhya Pradesh, Indian 2006

Michael W. Richards / Fisheye view of tourists gathered at Taj Mahal at dawn, Uttar Pradesh, India 2005

Michael W. Richards / Fisheye view of tourists gathered at Taj Mahal at dawn, Uttar Pradesh, India, 2005

Michael W. Richards / Sloth bear (Melursus ursinus) formerly a dancing bear, used for tourists, now rescued and playing with a keeper, India, 2005

Michael W. Richards / Sloth bear (Melursus ursinus) formerly a dancing bear, used for tourists, now rescued and playing with a keeper, India, 2005