Pteromys volans orii Flying Squirrel Male

This is a male Pteromys volans orii flying squirrel standing guard at the entrance of a nest. Inside is a female that has entered estrus. This has attracted the attention of another male, which means that this male must maintain continual vigil. The two males faced off a number of times. Interlopers are sometimes successful in mating with females while the primary male is unaware or otherwise occupied.

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Image Size: 4515x6773 / 87.8MB; https://www.photoshelter.com/support/license#rm; https://www.tony-wu.com/contact-tony-wu; Mammal Squirrel Animalia Chordata Mammalia Rodentia Sciuridae Pteromys volans orii Eurasian Small Flying Squirrel Ezo Momonga Japanese Dwarf Flying Squirrel Russian Flying Squirrel Siberian Flying Squirrel Nocturnal Pacific Japan Hokkaido
Contained in galleries: Japan

This is a male Pteromys volans orii flying squirrel standing guard at the entrance of a nest. Inside is a female that has entered estrus. This has attracted the attention of another male, which means that this male must maintain continual vigil. The two males faced off a number of times. Interlopers are sometimes successful in mating with females while the primary male is unaware or otherwise occupied.