image credit (1) Hummingbirds are the only birds that can fly backwards and their wings can beat at up to 80 times per second. (2) On a 95-degree day, hugging a tree in the shade could help a 25-pound koala lose up to 68 percent of its extra body heat. (3) Lynx have large feet that enable them to run on very deep snow. (4) A black panther is really a black leopard. black panther image credit (5) A rodent’s teeth never stop growing. (6) Male dogs will raise their legs while urinating to aim higher on a tree or lamppost because they want to leave a message that they are tall and intimidating. Some wild dogs in Africa try to run up tree trunks while they are urinating to appear to be very large. (7) Horses use facial expressions to communicate with each other. Lynx Horses image credit (8) Bats always turn left when leaving a cave. (9) Penguins can jump 6 feet out of water. (10) Nearly three percent of the ice in Antarctic glaciers is penguin urine. Bat