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Ducks are birds, and actually they can fly quite well. However, I believe your question is why can ducks swim when most other birds can't. The reason for this is evolution - ducks and other waterfowl like swans and loons have evolved into a niche that involves them eating directly from the water. Part of this evolution involved developing oil glands or preen glands on the base of their tails; waterfowl like ducks preen themselves constantly to spread this oil on their feathers to keep themselves waterproof so they can float on the water. Most non-waterfowl birds fly because they have evolved into a niche that involves them eating or hunting on the wing. However, I will note that not all birds can fly - penguins, ostriches, emus, rheas and kiwis all can't fly, but they are birds.
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What are the differences between a dove and a duck?
Both are birds. But duck is a waterfowl, which can swim in water. Dove is a bird, which can fly high, but cannot swim.
What is the difference between fish and birds?
Birds fly, fish swim
What are the similar characteristics of the sterna maxima and the anas playthrhchos?
The Royal Tern and the Mallard Duck respectively are both birds that fly and swim.
How far can a duck swim?
A duck can swim many miles a day. It is approximated they can swim up to 10. However, if a duck is going longer distances, they typically fly.
Why can birds fly and ducks swim?
They are different species of birds well ducks fly to sorry SOME kind of duks fly
What are the names of birds that cannot fly but runs faster?
Such birds include Ostritch, Duck and Hen.
How is a fish and a bird different?
Fish swim and birds fly.
How is a fish and and bird different?
Fish swim and birds fly.
How ducks protect themselves?
they fly away or they swim away or pray do god ... No. They duck!
Did Ben Stiller have work done on his teeth?
Do birds fly, fish swim
How pigeons can fly better than duck?
This is because the duck has the shape as a boat that helps it to swim and it does not have hollow bones. A pigeon can fly because it has hollow bones to make it light and its body is like a ship
Why does a duck have two feet?
All birds have 2 feet so they can walk. So they can walk and swim properly!
