How and why is hissing so common in the animal kingdom?

Hissing has many uses, says one reader, who was inspired to use it in his daily life too

Birds Hiss Like Snakes to Protect Nests

Hissing Cockroach

Cat sounds: what miaowing, purring and hissing really mean

Madagascar Hissing Cockroach

Why does my cat hiss when it's playing? - Quora

Animal Wonders - Madagascar Hissing Cockroach

Racing roaches to raise awareness

Why is my cat hissing for no reason? - Quora

The Hissing Roach: How to Identify a Madagascar Hissing Cockroach

Madagascar Hissing Cockroach

Why Is My Cat Hissing At Our New Kitten?

Why Do Some Cats Hiss When They Play?

Why Do Cats Hiss At New Kittens Or Cats?