Evolution keeps making crabs. In fact, it's happened so often that there's a special scientific term for an organism turning crab-like:... Evolution keeps making crabs. We asked a scientist why ...

Add Yahoo as a preferred source to see more of our stories on Google. Bird-dropping spider (Phrynarachne decipiens, Thomisidae) is a species of crab spider. It mimics a bird dropping in its appearance ...

Sometimes, the best survival strategy is disguising yourself like something no one wants to eat, much less mess with and dig around in: bird poop. That is the approach taken by newly discovered spider ...