This Spiky Animal Blows Snot Bubbles 4K UHD Mammals BBC Earth

They're covered in spikes, blow snot bubbles to cool down and go to sleep to survive bush fires. Echidnas, also known as spiny anteaters, have evolved to some of the most unique adaptations of any animal on Earth.

Taken from 'Mammals' (2024).

On every continent, in every ocean, conquering frozen landscapes and searing deserts – mammals are everywhere. Sir David Attenborough reveals the ingenuity behind their success. The series also highlights many of the challenges facing mammals in a rapidly changing world and how they endeavour to overcome them.

Welcome to BBC EARTH! The world is an amazing place full of stories, beauty and natural wonder. Here you'll find 50 years worth of entertaining and thought-provoking natural history content. Dramatic, rare, and exclusive, nature doesn't get more exciting than this.