Nature World: American pikas, a pint-sized rabbit relative, are quickly losing their California mountain habitat to climate change, according to new research.
These cute creatures have demonstrated their incredible resilience in the face of danger, but even pikas may not be able to adapt to our increasingly warming world. As temperatures rise, pikas are abandoning their low-elevation habitat and moving to higher ground to escape the heat.
Researchers at the University of California, Santa Cruz surveyed 67...