Across the animal world, many species use communication signals, including mating calls by males, but conspicuous calling can be risky because eavesdropping predators use these calls to find prey. A new eavesdropping study of bats and katydids provides evidence that sensory differences can influence the 'evolutionary arms race' between predators and prey.
Raccoonnaissance - Skunks have The Bomb. Long ago they won the animal arms race, glands down. Now they walk among us in peace, using their terrible weapon only as a deterrent. Raccoons have the brain. High in IQ, cutes, cunning and caution, they move into the suburbs with their upwardly mobile lifestyle. Raccoons will scatter your garbage, trash your property, and charm you right out of your tree. Their mechanical aptitude is legendary. Heaven help us if raccoons ever get The Bomb!