Watch video: What is the purpose behind animal weapons?
Male fiddler crabs attract mates by waving comically large pincers, the same ones they use to intimidate other potential suitors. Male elk drink calcium from their very bones to grow…
Male fiddler crabs attract mates by waving comically large pincers, the same ones they use to intimidate other potential suitors. Male elk drink calcium from their very bones to grow…
When a surfer swims out to catch a wave, his silhouette creates the image of a shark swimming below. Against the background of the bright sky in the water, a…
Animal personalities, A few years ago, Christian Rutz began to wonder if he was giving his ravens enough trust. Rutz, a biologist at the University of St. Andrews in Scotland,…