🦆🇦🇺 If laying #eggs and sensing #electricity weren't enough, the #platypus has now been found to have hollow fur. Researchers discovered that the pigment-holding structures in their hair are filled with air – a trait seen only in bird feathers until now.

👉 https://www.sciencenews.org/article/platypus-fur-hollow-like-bird-feather

#biology #science #nature #evolution #australia #wildlife #birds #marinelife #discovery #microscopy #research