Read more: https://en.wikipedia.org/wiki/Arctic_shrew#Behaviour
TIL Arctic Shrews are solitary animals. One study showed that if you place two shrews in the same cage, one will be dead within days, even without showing any signs of injury
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Rabbits can get so stressed they just drop dead. It’s strangely common among small mammals.
The article specifically states these shrews have an insane metabolism.
So my guess is they were so stressed from the close proximity either one burnt through all their calories and died, or had a stress induced heart attack.
Surely this just shows that shrews are either ninjas or have psychic powers and hate each other…
How do they decide which one?
One of the shrews: <guess I’ll die meme>
I believe I just found my spirit animal
Oh hell there’s two of us per square mile time to die
Soooooo how do they make baby shrews if they can’t be near each other?