Alexander Badyaev / Deer mouse (Peromyscus maniculatus) on giant puffball mushroom, watching mosquito in the moonlight. Blackfoot Valley, Western Montana, USA, July. Winner of the Mammals category, Wildlife Photographer...

Alexander Badyaev / Deer mouse (Peromyscus maniculatus) in a home eating bread on cooker. Montana, USA, June. Wildlife Photographer of the Year (WPY) Competition 2012 'Urban Wildlife' category; specially commended.

Michael Durham / Deer Mouse (Peromyscus maniculatus) jumping as an evasive behavior, Forest Park, Oregon

Gerry Ellis / Deer Mouse (Peromyscus maniculatus), North and Central America

Chien Lee / Deer Mouse (Peromyscus maniculatus) in Giant Coreopsis (Coreopsis gigantea), California

Chien Lee / Deer Mouse (Peromyscus maniculatus) in Giant Coreopsis (Coreopsis gigantea), California

MYN / Clay Bolt / White-footed mouse (Peromyscus leucopus) Southern Appalachians, South Carolina, United States, February. Meetyourneighbours.net project

MYN / Clay Bolt / White-footed mouse (Peromyscus leucopus) Southern Appalachians, South Carolina, United States, February. Meetyourneighbours.net project

MYN / Clay Bolt / White-footed mouse (Peromyscus leucopus) in bayou wetlands, Jean Lafitte National Park, Louisiana, United States, May. Meetyourneighbours.net project

MYN / Clay Bolt / White-footed mouse (Peromyscus leucopus) in bayou wetlands, Jean Lafitte National Park, Louisiana, United States, May. Meetyourneighbours.net project

Michael Durham / Deer mouse (Peromyscus maniculatus) eating a seed at night, John Day Fossil Beds National Monument, Clarno Unit, Oregon, USA, July.

Miles Barton / Californian mouse {Peromyscus californicus} male huddling over five day babies, captive

Rolf Nussbaumer / White-footed / Deer Mouse {Peromyscus leucopus} Hill Country, Texas, USA

Michael Durham / Deer Mouse (Peromyscus maniculatus) under a juniper tree at night, John Day Fossil Beds National Monument, Clarno Unit, Oregon

Shattil & Rozinski / Deer mouse {Peromyscus maniculatus} Colorado, USA

Shattil & Rozinski / Deer mouse {Peromyscus maniculatus} Colorado, USA

Shattil & Rozinski / Deer mouse {Peromyscus maniculatus} Colorado, USA

Shattil & Rozinski / Baby Deer mouse {Peromyscus maniculatus} curled up asleep in nest, Colorado, USA

Rod Williams / Oldfield mouse {Peromyscus polionotus} sharpening teeth on wood, captive, from North America

Rolf Nussbaumer / White-footed / Deer Mouse {Peromyscus leucopus} jumping, Welder Wildlife Refuge, Sinton, Texas, USA, June 2005

Michael Durham / Deer Mouse (Peromyscus maniculatus) jumping as an evasive behavior, Forest Park, Oregon

Gerry Ellis / Deer Mouse (Peromyscus maniculatus) walking across forest floor covered with fallen leaves and red berries, North America

Mark Moffett / White-footed Mouse (Peromyscus leucopus) eating Acorn in Pygmy Pine barrens, New Jersey

Mark Moffett / White-footed Mouse (Peromyscus leucopus) with Oak acorn, Myles Standish State Forest, Massachusetts

Barry Mansell / Key largo cotton mouse {Peromyscus gossypinus allapaticola} captive Florida,

Barry Mansell / Cotton mouse {Peromyscus gossypinus} Florida, USA

Miles Barton / Californian mouse {Peromyscus californicus} feeding, captive

Joel Sartore / Photo Ark / Two Talamancan deermice (Peromyscus nudipes) adult and juvenile, portrait, from the wild near San Jose, Costa Rica.

Joel Sartore / Photo Ark / Talamancan deermouse (Peromyscus nudipes) portrait, from the wild near San Jose, Costa Rica.

Joel Sartore / Photo Ark / Talamancan deermouse (Peromyscus nudipes) infant, aged 2 months, portrait, from the wild near San Jose, Costa Rica.

Claudio Contreras / Slevin's mouse (Peromyscus slevini) sniffing around sand. Santa Catalina Island, Loreto Bay National Park, Sea of Cortez, Mexico. May.

Roland Seitre / Deer mouse (Peromyscus maniculatus) portrait of two alert, Bronx Zoo, USA. Captive.

Roland Seitre / Cactus mouse (Peromyscus eremicus) portrait, Mexico. Captive.