Alex Mustard / Red and black anemonefish (Amphiprion melanopus) in a Bulb tentacle sea anemone (Entacmaea quadricolor). Kri Island, Raja Ampat, West Papua, Indonesia, South East Asia. Dampier Strait, Tropical West P...

Kristel Richard / Wild Chincoteague (Equus caballus) two breeding stallions greeting one another, Chincoteague National Wildlife Refuge, Chincoteague Island, Virginia, USA, June

Juergen Freund / Aerial of Kri Island, Kri Eco Resort and Sorido Bay Resort. Raja Ampat, West Papua, Indonesia, February 2010

Kristel Richard / A wild Misaki-uma breeding stallion (right) brings back one of his mares to his band while another breeding stallion (left) charges him away, in the Cape Toi Reserve, Miyazaki Prefecture, Kyushu Islan...

Kristel Richard / A Sika deer stag rests among a band of wild Misaki-uma horses (Equus ferus caballus) in the Cape Toi Reserve, Miyazaki Prefecture, Kyushu Island, Japan.

Kristel Richard / Wild rare Eriskay horse, stallion, standing alert on Holy Isle, Scotland, UK. Critical status by Rare Breeds Survival Trust.

Kristel Richard / Wild rare Eriskay horse, stallion, grazing above the Buddhist nunnery on Holy Isle, Scotland, UK. Critical status by Rare Breeds Survival Trust.

Kristel Richard / Wild Rapa Nui horse / stallion and his mare, Rapa Nui National Park UNESCO World Heritage Site, Easter Island / Rapa Nui, Chile.

Kristel Richard / Two wild Rapa Nui horses/mares, two fillies and a colt drinking, Rapa Nui National Park UNESCO World Heritage Site, Easter Island / Rapa Nui, Chile.

Kristel Richard / Headshot of three wild Rapa Nui horses/mares, Rapa Nui National Park UNESCO World Heritage Site, Easter Island / Rapa Nui, Chile.

Kristel Richard / Wild Rapa Nui horse / stallion, Rapa Nui National Park UNESCO World Heritage Site, Easter Island / Rapa Nui, Chile.

Kristel Richard / Wild Rapa Nui horse / stallion, Rapa Nui National Park UNESCO World Heritage Site, Easter Island / Rapa Nui, Chile.

Kristel Richard / Wild Rapa Nui horse / colt, near Ahu Tongariki, Rapa Nui National Park UNESCO World Heritage Site, Easter Island / Rapa Nui, Chile.

Kristel Richard / Band of wild Rapa Nui horses/colts, walking near Easter island heads on Ahu Tongariki , Rapa Nui National Park UNESCO World Heritage Site, Easter Island / Rapa Nui, Chile.

Kristel Richard / Band of wild Rapa Nui horses/mares and a colt, walking near Rapa Nui National Park UNESCO World Heritage Site, Easter Island Heads, Ahu Tongariki, Rapa Nui National Park UNESCO World Heritage Site, Ea...

Kristel Richard / A wild Rapa Nui horse / stallion and his mare, filly and colt, standing near the sea, Rapa Nui National Park UNESCO World Heritage Site, Easter Island / Rapa Nui, Chile.

Kristel Richard / A wild Rapa Nui horse / colt, standing near the sea, Rapa Nui National Park UNESCO World Heritage Site, Easter Island / Rapa Nui, Chile.

Kristel Richard / Humpback whale (Megaptera novaeangliae) Umbili, a female age 8 years, breaching, Francisco Coloane Marine Park, Chile's first marine park, southeast of the Carlos III Island, Strait of Magellan, Chi...

Kristel Richard / Humpback whale (Megaptera novaeangliae) Umbili, a female age 8 years, breaching, Francisco Coloane Marine Park, Chile's first marine park, southeast of the Carlos III Island, Strait of Magellan, Chi...

Alex Mustard / Majestic / Blue girdled angelfish (Pomacanthus navarchus) swims through hard coral. Kri Island, Raja Ampat, West Papua, Indonesia.

Kristel Richard / Headshot of wild Gotland russ colt foal, the only pony native to Sweden, Gotland Island, Sweden. June.

Kristel Richard / Two wild Gotland russ foals /colts standing alert, Gotland Island, Sweden. June.

Kristel Richard / Heavily pregnant wild Gotland russ mare, the only pony native to Sweden, standing in forest, Gotland Island, Sweden. June.

Kristel Richard / Gotland russ wild stallion, the only pony native to Sweden, greeting one of his mares, Gotland Island, Sweden. June .

Kristel Richard / Gotland russ ponies, the only pony native to Sweden, foals/ colts playing together, Gotland Island, Sweden. June 2016.

Kristel Richard / Gotland russ wild stallion mating with one of his mares in front of their yearling colt, Gotland Island, Sweden. June.

Kristel Richard / Wild Gotland russ pony foal / colt greeting another sleeping colt, Gotland Island, Sweden. June.

Kristel Richard / Headshot of wild Gotland russ stallion, the only pony native to Sweden, Gotland Island, Sweden.

Kristel Richard / Wild Gotland russ (the only pony native to Sweden) foals / colts running one after the other, Gotland Island, Sweden.

Kristel Richard / Two wild Gotland russ (the only pony native to Sweden) foals / colts playing together, Gotland Island, Sweden.

Kristel Richard / Wild Gotland russ (the only pony native to Sweden) foals / colts greeting one another, Gotland Island, Sweden.

Kristel Richard / Wild Gotland russ foal / colt, the only pony native to Sweden, Gotland Island, Sweden.

Kristel Richard / Wild Gotland russ (the only pony native to Sweden) foal/ colt running, Gotland Island, Sweden.

Kristel Richard / Wild Gotland russ (the only pony native to Sweden) stallion greeting one of his mares, Gotland Island, Sweden.

Kristel Richard / Wild Gotland russ (the only pony native to Sweden) foal / colt running around his mother, Gotland Island, Sweden.

Tim Laman / Pilot Max Ammer with his ultralight float plane. Kri Island, Raja Ampat Islands, Indonesia.

Tim Laman / Max Ammer piloting his ultralight plane past Kri Eco Resort on Kri Island, West Papua, Indonesia.

Alex Mustard / Clown blenny (Ecsenius axelrodi) on leather corals. Capi Kri, Kri Island, Raja Ampat, West Papua, Indonesia. Dampier Strait. Tropical West Pacific Ocean

Kristel Richard / Head portrait of wild, rare Cumberland stallion, Cumberland Island, Georgia, USA. November.

Kristel Richard / Wild, rare Cumberland stallion walking on the beach, Cumberland Island, Georgia, USA. November.

Kristel Richard / Wild, rare Cumberland stallion cantering, Cumberland Island, Georgia, USA. November.

Kristel Richard / Wild, rare Cumberland foals walking on the beach, Cumberland Island, Georgia, USA. November.

Kristel Richard / Wild, rare Cumberland foals and mares walking on the beach, Cumberland Island, Georgia, USA. November.

Kristel Richard / Wild, rare Cumberland foal trotting on the beach, Cumberland Island, Georgia, USA. November.

Kristel Richard / Wild, rare Cumberland filly cantering on the beach, Cumberland Island, Georgia, USA. November.

Alex Mustard / Portrait of Purple queen anthias (Pseudanthias tuka) swimming in open water. Cape Kri, Kri Island, Raja Ampat, West Papua, Indonesia. Tropical West Pacific Ocean. Dampier Strait.

Franco Banfi / Shoal of Diagonal-Banded sweetlips (Plectorhinchus lineatus) dive site: Mike's Point, Kri island, Raja Ampat, Irian Jaya, West Papua, Indonesia, Pacific Ocean

Franco Banfi / Tunicates (Clavelina sp) covering a seafan branches, Friwinbonda Point, Kri island, Raja Ampat, Irian Jaya, West Papua, Indonesia, Pacific Ocean

Franco Banfi / Shoal of Ribbon sweetlips (Plectorhinchus polytaenia) Mike's Point, Kri island, Raja Ampat, Irian Jaya, West Papua, Indonesia, Pacific Ocean

Franco Banfi / Sea cucumber (Colochirus robustus) Friwinbonda Point, Kri island, Raja Ampat, Irian Jaya, West Papua, Indonesia, Pacific Ocean

Franco Banfi / Nudibranch (Thecacera picta) Friwinbonda Point, Kri island, Raja Ampat, Irian Jaya, West Papua, Indonesia, Pacific Ocean

Kristel Richard / Portrait of a unique lioness (Panthera leo) with a mane resembling that of a male lion hunting, Mombo, Moremi Game Reserve, Chief Island, Okavango Delta, Botswana.

Kristel Richard / Unique lioness (Panthera leo) female with a mane resembling that of a male lion lying down, Mombo, Moremi Game Reserve, Chief Island, Okavango Delta, Botswana.

Kristel Richard / Unique lioness (Panthera leo) female with a mane resembling that of a male lion standing alert, Mombo, Moremi Game Reserve, Chief Island, Okavango Delta, Botswana.

Kristel Richard / Unique lioness (Panthera leo) female with a mane resembling that of a male lion hunting, Mombo, Moremi Game Reserve, Chief Island, Okavango Delta, Botswana.

Kristel Richard / Unique lioness (Panthera leo) female with a mane resembling that of a male lion walking under tree branch, Mombo, Moremi Game Reserve, Chief Island, Okavango Delta, Botswana.

Kristel Richard / Unique lioness (Panthera leo) female with a mane resembling that of a male lion standing alert, Mombo, Moremi Game Reserve, Chief Island, Okavango Delta, Botswana.

Kristel Richard / Unique lioness (Panthera leo) female with a mane resembling that of a male lion standing alert, Mombo, Moremi Game Reserve, Chief Island, Okavango Delta, Botswana.

Kristel Richard / Unique lioness (Panthera leo) female with a mane resembling that of a male standing alert, Mombo, Moremi Game Reserve, Chief Island, Okavango Delta, Botswana.

Kristel Richard / Two young male lions (Panthera leo) resting, Mombo, Moremi Game Reserve, Chief Island, Okavango Delta, Botswana.

Kristel Richard / Pride of African lions sunbathing (Panthera leo) in the early morning, Mombo, Moremi Game Reserve, Chief Island, Okavango Delta, Botswana.

Kristel Richard / Two young male giraffes (Giraffa camelopardalis) standing in opposite directions. Mombo, Moremi Game Reserve, Chief Island, Okavango Delta, Botswana.

Kristel Richard / Wild Chincoteague (Equus caballus) two breeding stallions fighting, Chincoteague National Wildlife Refuge, Chincoteague Island, Virginia, USA, June

Kristel Richard / Wild Chincoteague (Equus caballus) two breeding stallions fighting, Chincoteague National Wildlife Refuge, Chincoteague Island, Virginia, USA, June Sequence 3 out of 3.

Kristel Richard / Wild Chincoteague (Equus caballus) two breeding stallions fighting, Chincoteague National Wildlife Refuge, Chincoteague Island, Virginia, USA, June Sequence 2 out of 3.

Kristel Richard / Wild Chincoteague (Equus caballus) two breeding stallions fighting, Chincoteague National Wildlife Refuge, Chincoteague Island, Virginia, USA, June Sequence 1 out of 3.

Kristel Richard / Wild Chincoteague (Equus caballus) head portrait of breeding stallion, Chincoteague National Wildlife Refuge, Chincoteague Island, Virginia, USA, June

Kristel Richard / Wild Chincoteague (Equus caballus) close up of breeding stallion, Chincoteague National Wildlife Refuge, Chincoteague Island, Virginia, USA, June

Kristel Richard / Wild Chincoteague (Equus caballus) backlit close up of breeding stallion, Chincoteague National Wildlife Refuge, Chincoteague Island, Virginia, USA, July

Kristel Richard / Wild Chincoteague (Equus caballus) head portrait of breeding stallion, Chincoteague National Wildlife Refuge, Chincoteague Island, Virginia, USA, June

Kristel Richard / Wild Chincoteague (Equus caballus) newborn colt trying to stand up, Chincoteague National Wildlife Refuge, Chincoteague Island, Virginia, USA, June

Kristel Richard / Wild Chincoteague (Equus caballus) head portrait of mare, Chincoteague National Wildlife Refuge, Chincoteague Island, Virginia, USA, June

Kristel Richard / Wild Chincoteague (Equus caballus) head portrait of mare, Chincoteague National Wildlife Refuge, Chincoteague Island, Virginia, USA, June

Kristel Richard / Wild Chincoteague (Equus caballus) two colts playing, Chincoteague National Wildlife Refuge, Chincoteague Island, Virginia, USA, July

Kristel Richard / Wild Chincoteague (Equus caballus) two colts playing, Chincoteague National Wildlife Refuge, Chincoteague Island, Virginia, USA, July

Kristel Richard / Wild Chincoteague (Equus caballus) two colts reflecting in water, Chincoteague National Wildlife Refuge, Chincoteague Island, Virginia, USA, July

Kristel Richard / Wild Chincoteague (Equus caballus) two colts playing, Chincoteague National Wildlife Refuge, Chincoteague Island, Virginia, USA, June

Kristel Richard / Wild Chincoteague (Equus caballus) three colts playing, Chincoteague National Wildlife Refuge, Chincoteague Island, Virginia, USA, June

Kristel Richard / Wild Chincoteague (Equus caballus) two colts standing, Chincoteague National Wildlife Refuge, Chincoteague Island, Virginia, USA, June

Kristel Richard / Wild Chincoteague (Equus caballus) band of horses trotting, Chincoteague National Wildlife Refuge, Chincoteague Island, Virginia, USA, July

Kristel Richard / Wild Chincoteagues (Equus caballus) two colts and a mare reflected in water, Chincoteague National Wildlife Refuge, Chincoteague Island, Virginia, USA, June

Kristel Richard / Wild Chincoteagues (Equus caballus) two colts and a mare reflected in water, Chincoteague National Wildlife Refuge, Chincoteague Island, Virginia, USA, June

Kristel Richard / Wild Chincoteague (Equus caballus) colt standing, Chincoteague National Wildlife Refuge, Chincoteague Island, Virginia, USA, June

Kristel Richard / Wild Chincoteague (Equus caballus) head portrait of colt, Chincoteague National Wildlife Refuge, Chincoteague Island, Virginia, USA, June

Kristel Richard / Wild Chincoteague (Equus caballus) colt standing, Chincoteague National Wildlife Refuge, Chincoteague Island, Virginia, USA, June

Kristel Richard / Wild Chincoteagues (Equus caballus) head portrait of mare (on the left), colt and breeding stallion, Chincoteague National Wildlife Refuge, Chincoteague Island, Virginia, USA, June

Kristel Richard / Wild Chincoteague (Equus caballus) colt (on the right) chasing a newborn Chincoteague colt, Chincoteague National Wildlife Refuge, Chincoteague Island, Virginia, USA, June

Kristel Richard / Eastern Cottontail rabbit (Sylvilagus floridanus) standing alert, Chincoteague National Wildlife Refuge, Chincoteague Island, Virginia, USA

Kristel Richard / A wild Exmoor Pony (Equus caballus) breeding stallion cantering. Langeland Island, Denmark, April.

Kristel Richard / Portrait of a wild Exmoor Pony (Equus caballus) breeding stallion. Langeland Island, Denmark, April.

Kristel Richard / Portrait of wild Exmoor Pony (Equus caballus) breeding stallion. Langeland Island, Denmark, April.

Kristel Richard / Two wild Exmoor Ponies (Equus caballus) playing. Langeland Island, Denmark, April.

Kristel Richard / Two wild Exmoor Ponies (Equus caballus) playing. Langeland Island, Denmark, April.

Kristel Richard / A wild Exmoor Pony (Equus caballus) colt standing. Langeland Island, Denmark, April.

Kristel Richard / A wild Exmoor Pony (Equus caballus) newborn colt cantering uphill. Langeland Island, Denmark, April.