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. At this point, the interloper male had made numerous attempts to mate with the female, hence the protective position of this male. 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: 7238x4825 / 100.1MB; 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 Pacific Japan Hokkaido Nocturnal
Contained in galleries: Flying Squirrels, 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. At this point, the interloper male had made numerous attempts to mate with the female, hence the protective position of this male. 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.