The African Crested Rat Covers Itself With Poison That Can Take Out an Elephant – The New York Times

Scientists still arent sure how often the rats anoint, or even how they tolerate the toxins themselves, especially if some of it ends up going down their gullets. (Like all other rodents, they are incapable of vomiting.)
For all their toxic toughness, though, the rats seem to enjoy surprisingly heartwarming private lives. The researchers found evidence that some of the male and female rats might go steady, or even jointly care for their young, while in captivity.
Monogamy is very rare in mammals,…

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