Leatherback Turtle

At an estimated population of 25,000, its numbers are far greater than many of the other species in this top 10. But only 20 years ago the population was around 5 times greater. This decline is attributed to illegal hunting and the problem with eggs being poached. There has also been a significant decline in its natural habitat, which is contributing to the issue. [Source]

Amazing Two-Headed Turtle

One head of the two-headed turtle is named "Teeny" and the other is "Tiny." Todd Ray Found This Tiny Turtle. Ray has both living and dead specimens, many of which are on display at his Freakshow, but he sees them as something more than mere accidents of nature. [Source]