Squirrel - Squirrel Castration
I have heard many times that during mating season the
dominant male squirrels may attack the genitals of lesser male
squirrels. This is usually associated with fox squirrel or red squirrel
stories. There are extreme versions of this story that involve a
squirrel on squirrel castration. I find this very hard to believe. Any
response will be appreciated.
In my many years as a naturalist I have never heard of this behavior confirmed. Two excellent,
detailed references, The Wild Mammals of Missouri by Schwartz, and The Mammals of Illinois by
Hoffmeister, make no mention of it. Hoffmeister does cite a report of red squirrels killing a
fox squirrel by "biting it about the throat." There is aggression and chasing between male
squirrels in breeding season. I think the castration story is likely a "legend."
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Update: June 2012