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anhigna

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12y ago

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Continue Learning about Zoology

What part of a bird touches water but never gets wet?

The part of a bird that touches water but never gets wet is its feathers, specifically the waterproof outer layer of feathers. Birds have a special oil produced by a gland near their tails that they spread over their feathers, creating a water-repellent barrier. This oil allows them to stay dry even when they are in or on the water.


What might happen to a bird with a defective preen gland?

Without the oily secretion from the preen gland, a water-bird would be unable to stay afloat on water. This would either mean the bird would drown (through being water-logged) or die from starvation through being unable to dive for food.


How does preening help with bird feathers to be water repellent?

Most birds will preen several times a day to keep themselves healthy.The uropygial gland, or preen gland, is an essential part of preening. This gland is found near the base of the tail and produces an oily substance that contains diester waxes that help waterproof feathers and keep them flexible. While preening, birds will spread this oil to each feather


Should ducks have a lump near the tail?

The tail helps the bird with some lift and speed of flight and also with direction. The bird uses the tail like a ship uses a rudder. It most purpose is that it acts as the rudder, steers the bird, and also keeps it balance.


Do water birds have oil glands to make their feather waterproof?

Yes, water birds have a specialized oil gland called the uropygial gland located near the base of their tail. This gland produces oil that the birds spread over their feathers during preening to make them waterproof and maintain their insulation and buoyancy.