Of our soaring Buteo hawks, this is the only one tied to cold climates. It nests in the Arctic, mostly in tundra regions north of the boreal forest; in winter, only a few move farther south than the ...

Green Sea Turtle. Image by Brocken Inaglory, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0, via Wikimedia Commons. Costa Rica, a lush and vibrant ...