African frog conceals itself with chemicals

By Sarah Zielinski, 11:42 AM December 23, 2013

African stink ants (Paltothyreus tarsatus) really don’t like to be disturbed. They live in colonies of several hundred to thousands, and the 2.5-centimeter-long insects vigorously defend their nests, biting intruders with powerful mandibles and stinging them with venom. They mostly eat arthropods but also chow down on frogs and other small vertebrates.

But there’s one frog they don’t eat — the West African savanna frog (Phrynomantis microps). This frog even hides out in ant nests to take shelt...

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