14 Days of Genitals, Day 10: Favoritism in Frogs

Ok, it's been a rough trip so far and everyone needs a little bit of a genital-horror break.

Cute, isn't it? This is Ranitomeya imitator, the mimic poison frog. That little pustule thing on his back is a baby tadpole hitching a ride. Cute, it isn't. But the mimic poison frog papa has clearly got some serious googly eyes for its own young, since it takes care of its tiny froglets for months at a time.

14 Days of Genitals, Day 3: Rock, Paper, I'm Going To Steal Your Girlfriend

Side-blotched lizards are a common lizard in the Western US - they're the rabbit of the lizard world. They're tiny and adorable, and the males come in three color morphs: those with orange throats, those with blue throats, and those with yellow. And all three have different mating strategies.