Give a male garter snake a taste of estrogen and watch out, as the hormone turns these lads into the sexiest thing on the block, attracting dozens of other males eager to mate. The finding, published ...

When the garter snakes rouse themselves from hibernation, the males come out all at once but the females come out a few at a time. As a result, there may be anywhere from 10 to 100 males trying to ...

This is a preview. Log in through your library . Abstract The endocrine system plays an integral role in the regulation of key life-history traits. Insulin-like growth factor-1 (IGF-1) is a hormone ...

Snakes are legless, slithering reptiles that can be found worldwide, except in Antarctica. There are more than 2,900 species of snakes, with 140 species known in the United States. One species ...