What is the term for a young echidna, and how is it nourished?

Answer

Puggle; milk secreted through specialized patches on the mother's skin

After hatching, the young echidna, called a puggle, is nourished with milk secreted through specialized patches on the mother's skin because monotremes lack nipples.

What is the term for a young echidna, and how is it nourished?
GeographyfaunamammalAustraliaechidna