Pythons can tolerate saltwater and freshwater and have been observed swimming in Florida Bay and Biscayne Bay.

If they reach the ecosystem's carrying capacity in the Everglades, the pythons will spread, and that likely means into ...

Add Yahoo as a preferred source to see more of our stories on Google. Biologist Ian Easterling, wearing a Santa Claus hat, appeared to be enjoying a stroll through the swampy terrain of Southwest ...