Bitter Guana Cay in the Bahamas is home to the rare Exuma Island iguana, a nearly extinct species found nowhere else in the world. Fewer than 5,000 of these prehistoric-looking reptiles remain, and ...

There are some strange mating rituals in the wild. Birds court through dance and song, and some males fight for females’ attention, but what about the head bobbing of crested iguanas? Although the ...