Nick Garbutt / Fat-tailed dwarf lemur (Cheirogaleus medius) climbing down branch at night, after emergence from hibernation in November, Kirindy Forest, West Madagascar.

Adrian Davies / Thorn of an agave plant (Agave sp.), botanical garden, Surrey, UK.

Jean E. Roche / Female Donkey (Equus asinus) having dust bath to get rid of flies with young watching. Provence-Alpes-Cotes-d'Azur, France. July.

Jean E. Roche / Appaloosa horses (Equus caballus) grazing on mountain pasture with foal suckling in foreground. Provence-Alpes-Cotes-d'Azur, France. July.

Michael Hutchinson / Harbour seal (Phoca vitulina) basking, balancing on isolated rock. Monterey, California, USA. April.

Michael Hutchinson / Four Harbour seals (Phoca vitulina) basking on seaweed covered rocks. Isle of Mull, Scotland, UK.

Michael Hutchinson / Harbour seal (Phoca vitulina) basking on seaweed covered rocks. Isle of Mull, Scotland, UK.

Michael Hutchinson / Harbour seal (Phoca vitulina) yawning, balancing on isolated rock. Monterey, California, USA. April.

Michael Hutchinson / Harbour seal (Phoca vitulina) yawning, balancing on isolated rock. Monterey, California, USA. April.

Michael Hutchinson / Grey seal (Halichoerus grypus) pup and mother sniffing and nuzzling each other. Donna Nook, Lincolnshire, UK. November.

Michael Hutchinson / Grey seal (Halichoerus grypus) pup and mother sniffing and nuzzling each other. Donna Nook, Lincolnshire, UK. November.

Michael Hutchinson / Bottlenose dolphin (Tursiops truncatus) leaping from under bow of RNLI boat, watched by off duty crew. Isle of Skye, Scotland, UK.

Roland Seitre / Great blue heron (Ardea herodias) spearing Greater Siren Salamander (Siren lacertina) with beak, Lake Apopka, Florida, USA.

Roland Seitre / Great blue heron (Ardea herodias) swallowing Greater Siren Salamander (Siren lacertina), Lake Apopka, Florida, USA.

Roland Seitre / Great blue heron (Ardea herodias) swallowing Greater Siren Salamander (Siren lacertina), Lake Apopka, Florida, USA.

Roger Powell / Purple heron (Ardea purpurea) walking past a net over a fishpond, K'Far Ruppin kibbutz fishponds, Jordan Valley, Israel, March.

Roger Powell / White-breasted kingfisher (Halcyon smyrnensis) perched on an irrigation pipe next to a fishpond, with the feathers of migratory songbirds it has predated surrounding it, K'Far Ruppin kibbutz, Jor...

Roger Powell / White-breasted kingfisher (Halcyon smyrnensis) with ring, calling in reed bed beside stream, after bathing, K'Far Ruppin kibbutz, Jordan Valley, Israel, March.

Roger Powell / White-breasted kingfisher (Halcyon smyrnensis) calling in reed bed beside stream, after bathing, K'Far Ruppin kibbutz, Jordan Valley, Israel, March.

Roger Powell / Pied kingfisher (Ceryle rudis) pair displaying whilst perched on bush, K'Far Ruppin kibbutz fishponds, Jordan Valley, Israel, March.

Roger Powell / Pied kingfisher (Ceryle rudis) male landing in a bush next to mate after digging nest hole, K'Far Ruppin kibbutz fishponds, Jordan Valley, Israel, March.

Roger Powell / Pied kingfisher (Ceryle rudis) male landing on favoured fishing post, K'Far Ruppin kibbutz fishponds, Jordan Valley, Israel, March.

Roger Powell / Pied kingfisher (Ceryle rudis) male landing on favoured fishing post with tadpole, K'Far Ruppin kibbutz fishponds, Jordan Valley, Israel, March.

Roger Powell / Pied kingfisher (Ceryle rudis) male landing on favoured fishing post, K'Far Ruppin kibbutz fishponds, Jordan Valley, Israel, March.

Roger Powell / Pied kingfisher (Ceryle rudis) male flying up to favoured fishing post with tadpole in its beak, K'Far Ruppin kibbutz fishponds, Jordan Valley, Israel, March.

Roger Powell / Grey heron (Ardea cinerea) perched on top of a fishpond net, K'Far Ruppin kibbutz fishponds, Jordan Valley, Israel, March.

Roger Powell / Grey heron (Ardea cinerea) perched on top of a fishpond net, K'Far Ruppin kibbutz fishponds, Jordan Valley, Israel, March.

Roger Powell / Eurasian spoonbills (Platalea leucorodia) standing in a fishpond and preening, K'Far Ruppin kibbutz, Jordan Valley, Israel, March.

Roger Powell / White-breasted kingfisher (Halcyon smyrnensis), a predator of migratory songbirds, perched on a fishpond hawser with a lesser whitethroat (Sylvia curruca) in its beak, K'Far Ruppin kibbutz, Jorda...

Roger Powell / Purple heron (Ardea purpurea) perched on top of a net over fishpond, K'Far Ruppin kibbutz fishponds, Jordan Valley, Israel.

Roger Powell / Pied avocets (Recurvirostra avosetta) in migratory flock, sleeping, K'Far Ruppin kibbutz fishponds, Jordan Valley, Israel, March.

Roger Powell / Lesser spotted eagle (Clanga pomarina) resting on migration in tree, K'Far Ruppin kibbutz, Jordan Valley, Israel, March.

Roger Powell / Eurasian jay (Garrulus glandarius atricapillus) perched on date palm branch with a caterpillar in its beak, K'Far Ruppin kibbutz, Jordan Valley, Israel, March.

Roger Powell / Common snipe (Gallinago gallinago) pair, male courting female with its tail feathers displayed, K'Far Ruppin kibbutz fishpond, Jordan Valley, Israel, March.

Roger Powell / Clamorous reed warbler (Acrocephalus stentoreus) singing in a reed bed whilst perched on a stick, K'Far Ruppin kibbutz fishponds, Jordan Valley, Israel, March.

Roger Powell / Western marsh harrier (Circus aeruginosus) female perched in a tamarisk shrub, resting whilst on migration, K'Far Ruppin kibbutz, Jordan Valley, Israel, March.

Roger Powell / Western marsh harrier (Circus aeruginosus) sub-adult perched in a tree whilst resting on migration, K'Far Ruppin kibbutz, Jordan Valley, Israel.

Roger Powell / Great white pelicans (Pelecanus onocrotalus) in flock using thermals to fly north on migration, Jordan Valley, Israel, March.

Roger Powell / Great white pelican (Pelecanus onocrotalus) flock using thermals to fly north on migration, Jordan Valley, Israel, March.

Roger Powell / Great white pelican (Pelecanus onocrotalus) flying north on migration, Jordan Valley, Israel, March.

Roger Powell / Golden jackal (Canis aureus) pack pausing briefly on a kibbutz track whilst hunting, K'Far Ruppin kibbutz, Jordan Valley, Israel, March.

Roger Powell / Chukar (Alectoris chukar) male on guard and calling, farmland, K'Far Ruppin, Jordan Valley, Israel, March.

Roger Powell / Rose-ringed parakeet (Alexandrinus krameri) male perched on a branch with a nut kernel in beak, K'Far Ruppin kibbutz, Jordan Valley, Israel, March.

Roger Powell / Osprey (Pandion haliaetus) female landing on a fishpond gantry with a fish in its talons, K'Far Ruppin, Jordan valley, Israel, March.

Roger Powell / Osprey (Pandion haliaetus) female perched on a fishpond gantry with a fish in its talons, K'Far Ruppin, Jordan valley, Israel, March.

Roger Powell / Osprey (Pandion haliaetus) female perched on a fishpond gantry, tearing off a piece of a fish held in its talons, K'Far Ruppin, Jordan valley, Israel, March.

Roger Powell / Great white pelican (Pelecanus onocrotalus) flock preening in a kibbutz fishpond before starting to feed,whilst resting overnight on migration, K'Far Ruppin kibbutz, Jordan Valley, Israel, March.

Roger Powell / Great white pelicans (Pelecanus onocrotalus) taking off from flock in kibbutz fields, after resting on their migration north, K'Far Ruppin, Jordan Valley, Israel.

Roger Powell / Western European hedgehog (Erinaceus europaeus) walking along garden path in winter, a time when it should be hibernating, Longframlington, Northumberland, England, UK, January.

Roger Powell / Rock pipit (Anthus petrosus) hunting insects on seaweed at tideline on beach, Low Newton, Northumberland, England, UK, February.

Shane Gross / Humpback whale (Megaptera novaeangliae) coming to the surface and forming a whirlpool with its flipper, Tubuai, French Polynesia, Pacific Ocean.

Shane Gross / Humpback whale (Megaptera novaeangliae) female surfacing with its fin pointed towards the surface, Tubuai, French Polynesia, Pacific Ocean.

Shane Gross / Humpback whale (Megaptera novaeangliae) surfacing, Tubuai, French Polynesia, Pacific Ocean.

Shane Gross / Humpback whale (Megaptera novaeangliae) swimming to the surface near freediver, Tubuai, French Polynesia, Pacific Ocean.

Shane Gross / Humpback whale (Megaptera novaeangliae) female surfacing next to another Humpback whale swimming on its back beside a freediver, Tubuai, French Polynesia, Pacific Ocean.

Shane Gross / Humpback whale (Megaptera novaeangliae) male and female engaging in courtship, Tubuai, French Polynesia, Pacific Ocean.

Shane Gross / Humpback whale (Megaptera novaeangliae) surfacing next to snorkeler, Tubuai, French Polynesia, Pacific Ocean.

Shane Gross / Humpback whale (Megaptera novaeangliae) surfacing next to snorkelers, Tubuai, French Polynesia, Pacific Ocean.

Shane Gross / Humpback whale (Megaptera novaeangliae) female surfacing next to snorkelers, Tubuai, French Polynesia, Pacific Ocean.

Shane Gross / Humpback whale (Megaptera novaeangliae) ascending towards surface, Tubuai, French Polynesia, Pacific Ocean.

Shane Gross / Whitetip reef shark (Triaenodon obesus) leaving a coral cavern as another hides within, Tubuai, French Polynesia, Pacific Ocean.

Shane Gross / Shoal of Lowfin chub (Kyphosus vaigiensis) evading a Coral grouper (Cephalopholis miniata), Tubuai, French Polynesia, Pacific Ocean.

Shane Gross / Humpback whale (Megaptera novaeangliae) female and two males in courtship, Tubuai, French Polynesia, Pacific Ocean.

Shane Gross / Humpback whale (Megaptera novaeangliae) creating bubble arc with fin at waters surface, Tubuai, French Polynesia, Pacific Ocean.

Shane Gross / Humpback whale (Megaptera novaeangliae) ascending towards waters surface, Tubuai, French Polynesia, Pacific Ocean.

Shane Gross / Humpback whale (Megaptera novaeangliae) male and female pair courting, Tubuai, French Polynesia, Pacific Ocean.

Jussi Murtosaari / Red-footed falcon (Falco vespertinus) juvenile flying, Finland, September.

Jussi Murtosaari / Blyth's reed warbler (Acrocephalus dumetorum) male singing whilst perched on a pine tree, Finland, June.

Jussi Murtosaari / Canada goose (Branta canadensis) hissing and spreading its wings, Finland, April.

Jussi Murtosaari / Great snipe (Gallinago media) with an earthworm in its beak, Finland, September.

Jussi Murtosaari / Silver-washed fritillary (Argynnis paphia) male flying towards flower where female is resting, Finland, July.

Jussi Murtosaari / Common European viper (Vipera berus) melanistic morph leaving hibernation with female basking in the background, Finland, April.

Jussi Murtosaari / Swallowtail (Papilio machaon) butterfly feeding from thistle flower with its proboscis whilst urinating, Finland, June.

Jussi Murtosaari / Common redshank (Tringa totanus) male chasing female along rocky shore, Finland, May.

Jussi Murtosaari / Grey heron (Ardea cinerea) wading through water with reeds, Finland, April.

Jussi Murtosaari / European honey buzzard (Pernis apivorus) defacating whilst flying, Finland, August.

Lynn M. Stone / Icelandic horse femalefeeding foal in meadow of buttercups (Ranunculus sp) southwest Iceland. June.

Lynn M. Stone / Icelandic horse nibbling on the back of another horse, southwest Iceland. June.

Lynn M. Stone / Bald eagle (Haliaeetus leucocephalus) in flight, Homer, Alaska, USA. April.

Lynn M. Stone / Golden retriever, female, lying down on coastal rocks near ocean, Pemaquid Point, Maine, USA. June.

Lynn M. Stone / Limpkin (Aramus guarauna) with freshwater mussel in beak, wading in shallow water, Myakka River State Park, Florida, USA. December.

Lynn M. Stone / Serama rooster crowing in spring garden, Ashford, Connecticut, USA. May.

Lynn M. Stone / Florida sandhill crane (Grus canadensis pratensis) calling on wet prairie, Sarasota, Florida, USA. April.

Lynn M. Stone / Limpkin (Aramus guarauna) with freshwater mussel in beak, wading in shallow lake edge, Myakka River State Park, Sarasota, Florida, USA. April.

Lynn M. Stone / Common loon (Gavia immer) carrying chick on its back on lake, New Hampshire, USA. June.

Lynn M. Stone / Sharp-shinned hawk (Accipiter striatus) with White-throated sparrow (Zonotrichia albicollis) prey, perched in shrub vines, Milford, Connecticut, USA. December.

Lynn M. Stone / Chesapeake bay retriever running through saltmarsh with stick in mouth, Guilford, Connecticut, USA. November.

Lynn M. Stone / Northern water snake (Natrix sipedon) hunting at pond's edge, Wallingford, Connecticut, USA. August.

Lynn M. Stone / Northern water snake (Natrix sipedon) stalking Bull frog (Lithobates catesbeianus) at pond's edge, Wallingford, Connecticut, USA. August.

Lynn M. Stone / Common loon (Gavia immer) offering fish prey to chick on lake at sunset, New Hampshire, USA. July.

Lynn M. Stone / Common loon (Gavia immer) carrying two chicks on its back on lake; New Hampshire, USA. July.

Lynn M. Stone / Reddish egret (Egretta rufescens) fishing in saltwater cove at sunrise, Gulf of Mexico, Florida, USA. May.

Nick Upton / Dune robberfly (Philonicus albiceps) male, feeding on fly prey, on sand dunes, Kenfig National Nature Reserve, Glamorgan, Wales, UK. June.

Nick Upton / Buff-tailed bumblebees (Bombus terrestris) two males competing to mate with queen on a garden patio, Pembrokeshire, Wales, UK. August.

Nick Upton / Buff-tailed bumblebee (Bombus terrestris) male mating with queen on garden fence post, Pembrokeshire, Wales, UK. August.

Nick Upton / Buff-tailed bumblebee (Bombus terrestris) male mating with queen on garden fence post, Pembrokeshire, Wales, UK. August.