3. Their 'Beaks' Are Actually Noses
Echidna in Cradle Mountain NP
Dominic Jeanmaire / Getty Images
And about those so-called beaks: They're actually just noses. The extended, rubbery snouts — varying from short to long, depending on the species — are strong enough to break open hollow logs and dig for insects underground. An echidna can also use its nose to sense vibrations made by prey. The length allows them to penetrate small spaces in search of ants and termites, their primary food source.