LYNN M. STONE / Portrait of male Boxer, fawn coloured, with natural ears, standing in show stack posture on grass by lake, Illinois, USA

LYNN M. STONE / Portrait of female Boxer, dark brindle coloured with cropped ears, standing in show stack posture by lakeshore, Illinois, USA

LYNN M. STONE / Portrait of male Boxer, fawn coloured, with natural ears, sitting on grass by lake, Illinois, USA

LYNN M. STONE / Portrait of male Boxer, fawn coloured, with natural ears, sitting on grass by lake, Illinois, USA

LYNN M. STONE / Portrait of male Boxer, fawn coloured, with natural ears, sitting on grass by lake, Illinois, USA

LYNN M. STONE / Portrait of male Boxer fawn coloured, with natural ears, sitting on grass by lake, Illinois, USA

LYNN M. STONE / Portrait of male Boxer light brindle coloured, with natural ears, sitting on grass by lake, Illinois, USA

LYNN M. STONE / Head portrait of male Boxer, light brindle coloured with natural ears, standing in show stack posture, in Autumn, Illinois, USA

LYNN M. STONE / Head portrait of male Boxer, light brindle coloured with natural ears, Illinois, USA

LYNN M. STONE / Dark brindle Boxer with cropped ears and docked tail, standing next to ragwood and late summer field plants, Illinois, USA

LYNN M. STONE / Head portrait of fawn coloured Boxer with natural ears, sitting by flower border, Illinois, USA

LYNN M. STONE / Head portrait of "Flashy fawn" coloured Boxer with cropped ears, standing by flower border, Illinois, USA

LYNN M. STONE / Portrait of fawn coloured Boxer, with natural ears, standing by flower border, with tail docked. Illinois, USA

LYNN M. STONE / Portrait of fawn coloured Boxer, with natural ears, standing by flower border, with tail docked. Illinois, USA

LYNN M. STONE / Portrait of "Flashy fawn" coloured Boxer with cropped ears, standing by flower border, with tail docked. Illinois, USA

LYNN M. STONE / Portrait of "Flashy fawn" coloured Boxer with cropped ears, standing by flower border, with tail docked. Illinois, USA

LYNN M. STONE / Portrait of fawn-colored Boxer with natural ears, sitting by flower border, Illinois, USA

LYNN M. STONE / Portrait of fawn-colored Boxer with natural ears, sitting by flower border, Illinois, USA

LYNN M. STONE / Portrait of a two Boxer dogs in flower garden, with cropped ears and natural ears, Illinois, USA

LYNN M. STONE / Domestic dog, dark brindle Boxer, male standing beside river, East Haddam, Connecticut, USA (GH)

LYNN M. STONE / Domestic dog, fawn Boxer with cropped ears standing on rock in front of waterfall, East Haddam, Connecticut, USA (GH)

LYNN M. STONE / Domestic dog, two male fawn Boxers, Rockford, Illinois, USA

LYNN M. STONE / Domestic dog, brindled Boxer in garden, Willmette, Illinois, USA (JC)

LYNN M. STONE / Domestic dog, brindled Boxer, portait, Rockford, Illinois, USA

LYNN M. STONE / Domestic dog, fawn-colored Boxer head portrait in green meadow with honey-suckle bush, Rockford, Illinois, USA

LYNN M. STONE / Domestic dog, male brindled Boxer in green meadow with honey-suckle bush, Rockford, Illinois, USA

LYNN M. STONE / Domestic dog, male brindled Boxer in green meadow with honey-suckle bush, Rockford, Illinois, USA

LYNN M. STONE / Domestic dog, two fawn-colored male Boxers in green meadow with honey-suckle bush, Rockford, Illinois, USA

LYNN M. STONE / Domestic dog, fawn colored Boxer in green meadow with honey-suckle bush, Rockford, Illinois, USA

LYNN M. STONE / Domestic dog, male brindled Boxer in meadow with honey-suckle bush, Rockford, Illinois, USA

LYNN M. STONE / Domestic dog, two Boxers (brindled on left, fawn on right) by honey-suckle bush in meadow, Rockford, Illinois, USA

LYNN M. STONE / Domestic dog, male brindled Boxer in meadow with honey-suckle bush, Rockford, Illinois, USA

LYNN M. STONE / Domestic dog, fawn-colored male Boxer in meadow with old bluebird house on wooden post, Rockford, Illinois, USA

LYNN M. STONE / Domestic dog, Boxer jumping over agility course hurdles, Rockford, Illinois, USA

LYNN M. STONE / Domestic dog, Boxer jumping over agility course hurdles, Rockford, Illinois, USA

LYNN M. STONE / Domestic dog, Boxer jumping over agility course hurdles, Rockford, Illinois, USA

LYNN M. STONE / Domestic dog, male Boxer, portrait, Rockford, Illinois, USA

LYNN M. STONE / Domestic dog, two fawn-colored male Boxers in green meadow with honey-suckle bush, Rockford, Illinois, USA

LYNN M. STONE / Domestic dog, Boxer, male in woodland beside river, St. Charles, Illinois, USA

LYNN M. STONE / Domestic dog, Boxer, male with cropped ears beside woodland, St. Charles, Illinois, USA

LYNN M. STONE / Domestic dog, Boxer, male with cropped ears, portrait beside river, St. Charles, Illinois, USA

LYNN M. STONE / Domestic dog, Boxer, male with cropped ears sitting beside river, St. Charles, Illinois, USA

Mark Taylor / Maine Coon kitten, 8 weeks, standing up, with paws up like a boxer.

Mark Taylor / Maine Coon kitten, 8 weeks, standing up, with paws up like a boxer.

Fred Bavendam / Banded Coral Shrimp (Stenopus hispidus) with long antennae, Bonaire, Caribbean

Mitsuaki Iwago / Boxer (Canis familiaris) mother with two puppies

Jane Burton / Brindle and white Boxer, 9-week pup, lying down with front paws crossed *Not available for use on 2013 retail calendar covers in the USA.

Jane Burton / Brindle and white Boxer pups, 9-week female with 7-week half brother, playing together

Jane Burton / Boxer bitch pup, 11 weeks old, eating dry food

Jane Burton / Boxer bitch pup, 11 weeks old, eating from a stainless steel dish

Jane Burton / Red Boxer pup, 8 weeks old, with his brindle half brother, 7 weeks old, lying down and panting

Jane Burton / Red Boxer pup, 8 weeks old, with his brindle half brother, 7 weeks old

Jane Burton / Mahogany brindle Boxer pup, 4 months old, lying down

Jane Burton / Boxer pup, 11 weeks old, standing portrait

Jane Burton / Red Boxer pup, 8 weeks old sitting with his brindle half brother, 7 weeks old

David Hall / Mantis shrimp {Odontodactylus scyllarus} Papua New Guinea. Mantis shrimp use their front legs to break the shells of their prey with a force 8,000 times that of gravity. If a human boxer had the same...

Jane Burton / Boxer lying with head raised

Jane Burton / Boxer lying with its chin on the ground.

Jane Burton / Brindle and white Boxer pup, 9 weeks old, standing.

Jane Burton / Boxer pup, 11 weeks old, sitting and looking up

Jane Burton / Brindle and white Boxer pups, 7 and 9 weeks old, playing together.

Jane Burton / Brindle fawn Boxer standing with her two pups.

Jane Burton / Brindle Boxer mother lying with pup.

Jane Burton / Fawn brindle Boxer standing over her pup lying down.

Jane Burton / Brindle Boxer mother lying with her two pups.

Jane Burton / Boxer pup, 11 weeks old, standing on hind legs

Petra Wegner / Domestic dog, white German Boxer portrait

Petra Wegner / Domestic dog, white German Boxer portrait

Petra Wegner / Domestic dog, white German Boxer portrait

Petra Wegner / Domestic dog, white German Boxer portrait

Petra Wegner / Domestic dog, white German Boxer portrait

Petra Wegner / Domestic dog, white German Boxer profile

Petra Wegner / Domestic dog, white German Boxer profile

Petra Wegner / Domestic dog, close up of white German Boxer

Petra Wegner / Domestic dog, white German Boxer sitting and looking up

Petra Wegner / Domestic dog, German Boxer puppy, getting treat

Petra Wegner / Domestic dog, tricolour German Boxer licking the face of a brindled German Boxer

LYNN M. STONE / Three Boxer puppies {Canis familiaris} USA

LYNN M. STONE / Boxer puppy {Canis familiaris} USA

Mark Raycroft / Boxer (Canis familiaris) brindle in meadow

Mark Raycroft / Boxer (Canis familiaris) brindle laying in grass

Mark Raycroft / Boxer (Canis familiaris) portrait of fawn adult

Mark Raycroft / Boxer (Canis familiaris) portrait of brindle adult

Mark Raycroft / Boxer (Canis familiaris) portrait of a fawn adult

Mark Raycroft / Boxer (Canis familiaris) portrait natural ears

Mark Raycroft / Boxer (Canis familiaris) fawn colored adult, portrait

Mark Raycroft / Boxer (Canis familiaris) brindle, portrait

Mark Raycroft / Boxer (Canis familiaris) fawn adult laying in sand at beach, natural ears

Mark Raycroft / Boxer (Canis familiaris) brindle male laying down

Mark Raycroft / Boxer (Canis familiaris) brindle puppy in garden

Mark Raycroft / Boxer (Canis familiaris) fawn puppy next to flower pot

Mark Raycroft / Boxer (Canis familiaris) brindle puppy behind flower pot

Mark Raycroft / Boxer (Canis familiaris) pair on picnic table

Mark Raycroft / Boxers (Canis familiaris) pair standing at attention

Mark Raycroft / Boxers (Canis familiaris) pair standing in grass

Mark Raycroft / Boxer (Canis familiaris) portrait of pair