Category Archives: Animal Gate

More endangered pygmy sloths in Panama than previously estimated

Pygmy sloths wander inland in addition to inhabiting the mangrove fringes of their island refuge. A researchers now suggests that the population size of the pygmy sloth has been underestimated; a new, higher estimate for the number of sloths on Panama’s Escudo de Veraguas Island points to how little is known about the species, and it underscores the need to conserve the sloths’ isolated home.

Iron: A biological element?

Think of an object made of iron: An I-beam, a car frame, a nail. Now imagine that half of the iron in that object owes its existence to bacteria living two and a half billion years ago. That’s the upshot of a new study. Its findings have meaning for fields as diverse as mining and the search for life in space.