At just five inches long, tarsiers are among the world's smallest primates. And yet they communicate much like humans, using a wide range of calls to communicate. That's why it's so weird that some tarsiers apparently stay completely silent.
Borneo is the third largest island in the world and comprises the nations of Malaysia, Brunei, and parts of Indonesia. It's one of the most incredibly diverse places on the planet, home to 15,000 plant species, 3,000 different trees, 221 different land mammal species, and 420 unique birds. And that number is…
In Borneo, carnivorous pitcher plants and 4-centimeter-long bats have teamed up for what's possibly nature's most heavy-metal-album-cover-friendly mutualistic relationship. The bats take shelter in the pitcher plants, and the plants feast on the bats' nitrogen-rich guano in turn.