Newly hatched orchid mantises display black–red coloration and change to pink–white coloration after their first moult. This colour transition is mediated by the novel pigment transporter Redboy, ...

The baritone call of the bullfrog is so deep and resonant, it resembles the mooing of a cow, hence its name. Only males emit this trademark "jug-o-rum" bellow, and their choruses can be heard during ...