Suzi Eszterhas / Sea Otter (Enhydra lutris) raft, Monterey Bay, California

Suzi Eszterhas / Sea Otter (Enhydra lutris) feeding, California

Suzi Eszterhas / Sea Otter (Enhydra lutris) orphaned pup and surrogate mother named Mae, California

Suzi Eszterhas / Sea Otter (Enhydra lutris) raft, Monterey Bay, California

Suzi Eszterhas / Sea Otter (Enhydra lutris) researcher Tim Tinker holding captured otter in net for time depth recorder implanting, Big Sur, California

Suzi Eszterhas / Sea Otter (Enhydra lutris) captured in net by researchers for implanting a time depth recorder, blood sampling and flipper tagging, Big Sur, California

Suzi Eszterhas / Sea Otter (Enhydra lutris) captured in net by researchers for implanting a time depth recorder, blood sampling and flipper tagging, Big Sur, California

Mark Taylor / Smooth coated Jack Russell Terrier, female, black, tan and white, with ears erect

Jane Burton / Two smooth coated Jack Russell Terrier puppies, black, tan and white, and tan and white, 6 weeks,

Mark Taylor / Smooth coated Jack Russell Terrier puppy, black and white, 9 weeks, looking up, barking

Mark Taylor / Smooth coated Jack Russell Terrier puppy, black and white, sitting, 9 weeks

Mark Taylor / Smooth coated Jack Russell Terrier puppy, black and white, sitting, 9 weeks

Mark Taylor / Blue-and-white smooth coated Jack Russell Terrier puppy, Scamp, lying with head up.

Jane Burton / Jack-in-a-bucket - two Jack Russell Terrier puppies in a Halloween pumpkin bucket, one smooth coated, one rough coated

Jane Burton / Rough coated Jack Russell Terrier wearing red bow

Jane Burton / Jack-in-a-box - two Jack Russell Terrier puppies in box, one rough coated, one smooth coated, black, tan and white

Jane Burton / Rough coated Jack Russell Terrier puppy, black and tan, portrait

Jane Burton / Two Rough coated Jack Russell Terrier puppies, black, tan and white, playing with a bootlace

Jane Burton / Two Jack Russell Terrier puppies, one smooth coated one rough coated, black, tan and white

Jane Burton / Rough coated Jack Russell Terrier puppy, tan and white, playing with a boot

Jane Burton / Rough coated Jack Russell Terrier puppy, tan and white, chewing a boot shoelace

Jane Burton / Rough coated Jack Russell Terrier puppy, tan and white, chewing a boot

Jane Burton / Two Rough coated Jack Russell Terrier puppies, black, tan and white, puppies playing

Jane Burton / Smooth coated Jack Russell Terrier, black, tan and white, female lying down with 8 week puppy

Jane Burton / Two smooth coated Jack Russell Terriers, tan and white, and black, tan and white

Jane Burton / Miniature smooth coated Jack Russell Terrier, tan and white female puppy, 20 weeks, portrait

Jane Burton / Rough coated Jack Russell Terrier, tan and white, portrait, looking expectant

Rod Williams / Smooth-coated / Smooth Indian Otter (Lutrogale / Lutra perspicillata) in water. Captive. Occurs India, southern China, Bhutan, Thailand, Vietnam, Laos and other SE Asian countries.

Rod Williams / Smooth-coated / Smooth Indian Otter (Lutrogale / Lutra perspicillata) in water. Captive. Occurs India, southern China, Bhutan, Thailand, Vietnam, Laos and other SE Asian countries.

Alex Hyde / Tree coated in hoar frost along country lance near Eyam, Peak District National Park, Derbyshire, UK, December 2009.

Alex Hyde / Tree coated in hoar frost along country lane near Eyam, Peak District National Park, Derbyshire, UK, December 2009.

Alex Hyde / Tree coated in hoar frost by country lane near Eyam, Peak District National Park, Derbyshire, UK December 2009.

Matthias Breiter / Sea Otter (Enhydra lutris) feeding on clam, northern Vancouver Island, British Columbia, Canada

Ernie Janes / Smooth coated fox terrier in field of buttercups, UK

Ernie Janes / Domestic dogs, two black Flat-coated Retrievers at coast, Holkham, Norfolk, UK, September 2008

Ernie Janes / Domestic dog, black Flat-coated Retriever at coast, Norfolk, UK, September 2008

Suzi Eszterhas / Sea Otter (Enhydra lutris) grooming, Monterey Bay, California

Suzi Eszterhas / Sea Otter (Enhydra lutris) mother and pup, Monterey Bay, California

Suzi Eszterhas / Sea Otter (Enhydra lutris) eating crab, Monterey Bay, California

Bryan and Cherry Alexander / Larch trees (Larix genus) coated in hoar frost. Yamal, Siberia, Russia, 1996.

Bryan and Cherry Alexander / Appartment block coated in ice and frost during winter in Yakutsk. Yakutia, Siberia, Russia, 2001.

Bryan and Cherry Alexander / Window of house coated in frost and snow during winter in Yakutsk. Yakutia, Siberia, Russia, 2001.

LYNN M. STONE / German Shorthair Pointer beside pond at first light, Connecticut, USA

Petra Wegner / Sacred Cat of Burma / Birman, portrait of lilac-point coated tomcat lying down

Petra Wegner / Three Australian Shepherd puppies, black-tri coated, aged 6 weeks, playing together in snow, with picket fence behind

Petra Wegner / Cavalier King Charles Spaniel, black-and-tan coated, portrait sitting

Petra Wegner / Australian Shepherd, portrait of blue-merle coated puppy aged 6 weeks, sitting in snow with picket fence behind

Petra Wegner / Cavalier King Charles Spaniel, portrait of bitch, blenheim coated, sitting

Petra Wegner / Tibetan Terrier, black coated, portrait sitting and panting

Petra Wegner / Sacred Cat of Burma / Birman, portrait of lilac-point coated cat sitting

Petra Wegner / Cavalier King Charles Spaniel, black-and-tan coated, portrait standing in show-stack posture

Petra Wegner / British Shorthair Cat, portrait of tomcat standing, white coated with blue-eyes

Petra Wegner / Tibetan Terrier, black coated, portrait sitting

Petra Wegner / Cavalier King Charles Spaniel portrait, ruby coated, sitting

Petra Wegner / Cavalier King Charles Spaniel, portrait of bitch, blenheim coated, wearing sanitary pant used for bitches in season, or elderly incontinent dogs

Petra Wegner / Sacred Cat of Burma / Birman / Birman, portrait of kitten, chocolate point coated, aged 12 weeks, sitting

Petra Wegner / Sacred Cat of Burma / Birman, portrait of lilac-point coated tomcat sitting

Petra Wegner / Tibetan Terrier, black coated, portrait sitting and panting

Petra Wegner / Sacred Cat of Burma / Birman / Birman, portrait of kitten, chocolate point coated, aged 12 weeks, sitting

Petra Wegner / Sacred Cat of Burma / Birman, portrait of lilac-point coated cat, crouched and looking upwards

Petra Wegner / Cavalier King Charles Spaniel, portrait of bitch, tricolour coated, wearing protective boot / dog boots, to cover injuries

Petra Wegner / Siberian Forest Cat, white coated, portrait sitting in snow, and picket fence behind

Petra Wegner / Siberian Forest Cat, white coated, portrait sitting on log, in snow, and picket fence behind

Petra Wegner / Cavalier King Charles Spaniel, ruby coated, standing in show-stack posture

Petra Wegner / Neva Masquarade / Siberian Forest Cat, portrait of tomcat, red-tabby-point-white coated, in snow with picket fence behind

Petra Wegner / Sacred Cat of Burma / Birman, portrait of seal-point coated tomcat, standing in snow, with picket fence behind

Petra Wegner / Siberian Forest Cat, white coated, standing on log in snow, with picket fence behind

Petra Wegner / Cavalier King Charles Spaniel, portrait of bitch, tricolour coated, wearing protective boot / dog boots, to cover injuries

Petra Wegner / English Cocker Spaniel, black-and-white coated, sitting in snow panting, with picket fence behind

Petra Wegner / Cavalier King Charles Spaniel, black-and-tan coated, portrait lying down, panting

Petra Wegner / Devon Rex Cat, black-smoke-white coated, portrait, sitting

Petra Wegner / British Shorthair Cat, blue coated tomcat, walking through snow, with picket fence behind

Petra Wegner / Cavalier King Charles Spaniel, black-and-tan coated, portrait of puppy aged 8 months

Petra Wegner / Devon Rex Cat, black-tortie-white coated, crouching

Petra Wegner / Devon Rex Cat, black-smoke-white coated, running in profile

Petra Wegner / Sacred Cat of Burma / Birman / Birman, portrait of kitten, chocolate point coated, aged 12 weeks, sitting

Petra Wegner / Cavalier King Charles Spaniel, ruby coated, rear view sitting on snow covered steps looking out at garden.

Petra Wegner / Group portrait of Tibetan Terrier, puppy, aged 4 months, with Texel Guinea Pig, choco-white long haired, and British Shorthair Cat, tomcat, white coated with blue eyes

Petra Wegner / Devon Rex Cat, black-smoke-white coated, portrait, sitting

Petra Wegner / Devon Rex Cat, black-smoke-white coated, standing and looking behind

Petra Wegner / Devon Rex Cat, black-smoke-white coated, portrait, sitting

Petra Wegner / Cavalier King Charles Spaniel, ruby coated, running over snow covered ground

Petra Wegner / Cavalier King Charles Spaniel, blenheim coated, running over snow covered ground, in profile

Petra Wegner / Cavalier King Charles Spaniel, ruby coated, running over snow covered ground, in profile

Petra Wegner / Cavalier King Charles Spaniel, blenheim coated, running over snow covered ground

Petra Wegner / Cavalier King Charles Spaniel, blenheim coated, running over snow covered ground

Petra Wegner / Cavalier King Charles Spaniel, ruby coated, running over snow covered ground

Petra Wegner / Cavalier King Charles Spaniel, blenheim coated, running over snow covered ground

Petra Wegner / British Longhair Cats, tomcats, black and red coated (Highlander, Lowlander, Britannica) sitting on large log, with autumn foliage

Petra Wegner / British Longhair Cat, tomcat, black coated(Highlander, Lowlander, Britannica) sitting on large log, with autumn foliage

Petra Wegner / British Longhair Cat, tomcat, black coated(Highlander, Lowlander, Britannica) sitting on large log, with autumn foliage

Petra Wegner / British Longhair Cat, tomcat, black coated(Highlander, Lowlander, Britannica) sitting on large log, with autumn foliage

Petra Wegner / British Longhair Cat, tomcat, black coated(Highlander, Lowlander, Britannica) sitting on large log, with autumn foliage

Petra Wegner / British Longhair Cat, tomcat, ginger coated(Highlander, Lowlander, Britannica) standing infront of large wicker basket, and autumn foliage

Petra Wegner / British Longhair Cat, tomcat, ginger coated(Highlander, Lowlander, Britannica) sitting on large log, with autumn foliage

Petra Wegner / British Longhair Cat, tomcat, ginger coated(Highlander, Lowlander, Britanica) walking through autumn foliage