#sexual-parasitism

#sexual-parasitism

Red-necked keelback snakes possess a potent toxin derived from the toads they consume, which can cause severe harm to predators like mongooses. The snakes store these toxins in specialized nuchal glands.

These caterpillars use a surprisingly complex rhythm like a secret knock to convince the ants to come fetch them. That's according to research published on February 25 in Annals of the New York Academy of Sciences, which found that caterpillars can keep a beat called double meter that has so far been identified only in a couple of primates.