| Show WHY Ducks Duck Are Arc Enabled to Shed Water From Their Backs Like water off oft a ducks duck's back Is a phrase that we often use for Cor a ducks duck's back Is 18 time the most per perfect ct waterproof In the world Land birds are saturated by a heavy shower of ot rain Y You u may see ee them afterwards fluffing out their feathers so that sun and aDd wind may dry them But no drop of water can penetrate the time plumage of at any aquatic bird Gulls ducks grebes and cormorants cormorants cormorants cormo cormo- rants dive after food on tho the bleakest days daS without getting either wet or cold These birds are provided with a natural natural nat nat- ural mackintosh In the shape of ot a covering of feathers which fit tightly one on top tOl of the time other But their plumage would not remain waterproof if th they timey did not look after It carefully Every feather must be greased at nt least once a n day ay If It It Is 18 to turn the water Watch a n duck after Il Its b bath th and you will see see the process The beak Is pushed hard into the roots of at the feathers and then brought blought up to th their lr very vely tips Diving birds are provided with special glands which supply the beak boak with all the grease It needs |
