COLLECTING THE OIL
Dec 2, 2017 6:56:08 GMT -5
Post by Ira Runyan on Dec 2, 2017 6:56:08 GMT -5
Have you seen this? - The Pied-billed Grebe has an oil gland at the base of it’s tail. They use their head to reach back and collect that oil then rub it into the feathers on the rest of their bodies. That oil helps waterproof the feathers.
