Bugs don’t want to get eaten, so some of them finally wised up and learned to listen for bat echolocation. But the Pallas long-tongued bat found a way around that.
Bats use echolocation to track down their prey. Most bat echolocation consists of a series of rapid high pitched ultrasonic pulses, which some insects have learned to recognize and avoid. But scientists have discovered that the nectar-slurping Pallas long-tongued bat likes to munch on a certain type of moth that has learned to listen for bats. So how does the Pallas long-tongued bat snag his mothy snack? Continue reading Stealth Bat→
Most members of the animal kingdom get sweet bonus stuff. Cats get retractable claws, monkeys get prehensile tails – and apparently koalas get extra vocal cords. Researchers have discovered that male koalas have an extra pair of vocal cords that gives their mating calls a pitch 20 times lower than it should be for a marsupial that size. To put that in perspective, it would be like a Chihuahua that can yap in the pitch of an elephant. Continue reading What Does The Koala Say?→
As the cold months of winter draw near, human adaptations tend to include warm coats, turning the heat up, and turning the clock back. But for Arctic reindeer, it’s a little different. Researchers have discovered something special about how Artic reindeer prepare for the long darkness of an arctic winter. Their eyes can change color.