When Size Matters: The Planet's Largest Animals (Slideshow)

goliath frog largest land photo

Credit: P_Linehan/Creative Commons

If you thought that massive creatures disappeared when dinosaurs became extinct, think again: From this super-sized frog to 1,000-pound snakes to 8-foot tall birds, the giants of the animal world are still all around us.

But for many of them, size doesn't protect them from poaching, habitat loss, and other threats -- which means some of these animals could be our next big extinctions.

When Size Matters: The Planet's Largest Animals Slideshow
More Extreme Animals
Top 5 Freaky Hybrid Animals
10 Ridiculously Cute Endangered Animal Babies in Videos
10 Real Life Sea Monsters

Related Content on Treehugger.com