Just 0.7% of the world’s land surface is home to one-third of the world’s most threatened and unique four-legged animals, a recent study has found. In the vast evolutionary tree of life, some animals, like rats, have many closely related species that are at no immediate risk of extinction. But others, like the red panda […]

Just 0.7% of the world’s land surface is home to one-third of the world’s most threatened and unique four-legged animals, a recent study has found. In the vast evolutionary tree of life, some animals, like rats, have many closely related species that are at no immediate risk of extinction. But others, like the red panda […]