[Photo by Dr Christine Cooper]

A male echidna has a penis with four heads and their babies are called puggles. Who knew?

Aussie kids have always learnt about our weird and wonderful monotremes – the platypus and the echidna.  We already knew they were a type of mammal that lays eggs and nursed their young with milk. But they do this without nipples! Instead, the milk is secreted onto the aereola area and bub simply suckles straight off the skin.

Amazing. And we are lucky enough to see them regularly on the Light to Light Walk.

Two ladies on our last tour spent quite some time observing a busy echidna on the track, completely absorbed in watching it work. These fascinating and enigmatic creatures possess some unique characteristics that have constantly surprised the scientific community over the last 30 years.

Dr Peggy Rissmiller has been researching these loveable creatures since 1988. We know lots of interesting facts about them, but she is now keen to test some theories she has about how they communicate.

“Echidnas don’t vocalise in a frequency we can hear,” she says. “You see them sort of even avoiding each other, so how do they know where another echidna is? Is there some kind of inaudible communication that’s going out? I’d really like to know more about that.”

So what other echidna facts we do know?

  • The female echidna lays a single leathery egg in her pouch, then carries it for about ten days before it hatches. The baby echidna, or puggle, is born hairless and spineless.
  • Within two months of birth, they are already developing fur and spines – that’s when mum evicts them from the pouch.
  • During mating, two of the four penis heads shut down and the other two are used to ejaculate sperm.
  • They are amazingly efficient diggers – one echidna can move up to 200 cubic metres of soil over 12 months  (Source: Curtin University website, September 2017)
Jenny Robb, who has spent the last 3 decades exploring the rivers, trails, forests and beaches of the Far South Coast, is the founder of Light to Light Camps. She is passionate about this region – its natural beauty and its communities. For a guide to the history and nature of the area, Jenny is worth having a chat to. (Anyone who knows her, knows she loves a chat!)


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