If you're a dog owner, you know that canines have a language all their own. Whether they're barking, growling, whining or howling, they're trying to tell you something — and it pays to be informed ...

Nature is full of animals that mimic others — parrots copy human speech, some insects disguise themselves as dangerous species, and even household pets occasionally try to imitate their wilder ...

Many people recognise their dog’s bark, but fewer realise how wide a range of sounds dogs use to express what they feel. Some noises show excitement, others signal uncertainty, and a few are quiet ...