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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.


Hamster Trivia:Autumn Siberian hamster testicles how-3trivia
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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