Hamster Trivia:Autumn Siberian hamster testicles how

This problem is not very common, but the male Siberian hamster will shrink as soon as it falls.…

This problem is not very common, but the male Siberian hamster will shrink as soon as it falls.


Hamster Trivia:Autumn Siberian hamster testicles how
Hamster Trivia:Autumn Siberian hamster testicles how

These high-altitude rodents have a short mating season in summer, and the day when they have the longest testicles is 17 times longer than the shortest day. A peptide hormone called “kisspeptin” controls this strange seasonal cycle change.

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