The sooner the echo returns to the bat, the closer the object is to the bat. In this way, the bat knows how to avoid crashing into things. Bears do not kill with a hug Bears kill their victims with a powerful swipe of their front paws. Their arms are extremely strong and can strike lethal blows. Elephant's don't drink through their trunks.
Elephants swallow food and liquids through their mouths.
They use their trunks like straws, sucking up the liquid and spraying it into their mouths. Then they place the food in their mouths. Bulls do not see red Bulls are color-blind, as are most animals. The bull charges when he sees a moving object, like a toreador's red cape. It is the movement of the cape, not the color, which angers the bull.