2. Like all mammals, echidnas feed milk to their young but they don't have nipples. Female echidnas have special glands in their pouch which secrete milk. The baby echidna, called a puggle, laps it up ...

But this echidna isn't hiding from approaching researchers ... and slurp out the fat and protein in the body." Baby echidnas, puggles, hatch in their mother's pouch, where they suckle milk ...