Overnight, George had taken not only his final breath but the final breath of his entire species, the Pinta Island tortoise, ...

If you've seen it in a horror movie, an insect probably did it first. Some squirt acid from their butts, others liquify their victims, and then there are those that make zombies out of their prey ...

A behavioral ecologist explains the reciprocal social relationships vampire bats maintain, in sickness and in health.

Across the vast Northern Hemisphere range of the moose, this biggest member of the deer family is just past the rigours of the rut, aka the breeding season. That autumnal stretch of the calendar ...

Third-biggest cat on Earth, muscular and low-slung, boasting one heck of a chomp, the jaguar reigns supreme atop the wild Neotropical food web. And while catching a glimpse of this burly beast ...

WARNING: This footage is extremely graphic and may offend sensitive viewers. In March 2013 Kruger National Park section ranger Richard Sowry captured the ugly face of South Africa's poaching ...

Homosexual Giraffes Do What Comes Naturally EPISODE SYNOPSIS At any moment in time, one in every 20 male giraffes can be found amorously necking with another male. Or so says one study into ...

How goats and weaving saved the Bali starling EPISODE SYNOPSIS Just a few years ago, the illegal pet trade was decimating Bali starling populations in the wild, with fewer than ten of the birds ...

It’s no holiday for the gibbons of Thailand. Habitat loss, poaching for traditional medicine and the cruel capture of baby gibbons for both the pet and tourism trade have left all but one ...