Mother Nature Network: In the largest quantitative study of howling among canid species, researchers have discovered that wolves across the world speak in 21 different dialects, with differences depending both on species and location.
The study, led by Arik Kershenbaum of University of Cambridge, collected 2,000 recordings of howls from 13 species of canids including wolves around the world, dingoes, coyotes, jackals and even domestic dogs.
Rather than using subjective analysis of howls by looking at sound waves,...