Earth's largest apes died off because they could not adapt to a new diet forced by climate change 100,000 years ago.
A New England songbird species known as Bicknell's Thrush is threatened by both climate change and competition. Not only is their habitat being shifted to higher elevations, limiting their range along the Adirondack Mountains, but their behaviorally dominant relatives are pushing them uphill, too.
Three new toad species were recently discovered in a remote area of Brazil. The relatively small and warty critters have distinctive red markings and create a poisonous skin chemical through processes of digestion.