Sacha Dench is flying from Russia to the UK alongside endangered swans in an effort to save them.
Staff at Germany's Leipzig Zoo had to put down one of two escaped lions after tranquilizers failed.
A reptile resembling a chameleon wielded a digit on each of its front legs with a massive claw.
A new analysis finds that 19.4 percent of all meerkat deaths come at the hands of other meerkats.
A moth caterpillar in the Peruvian Amazon bears a resemblance to a certain presidential candidate.