Write any three feathers of birds that help them to fly
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their wings, there concentration, erc
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Primary feathers: These are the largest of the flight feathers and propel the bird through the air. They are the farthest away from the body, attached to the skin of the wing on the ‘hand’ of the bird. In most bird species, there are 10 primary feathers on each wing. If these flight feathers are damaged or lost, a bird cannot fly.
Secondary feathers: These run along the ‘arm’ of the wing and sustain the bird in the air, giving it lift. The number of secondary feathers varies with different species. Experiments have shown that, if half of the secondaries are removed, a bird will still be able to fly, but some control will be lost.
Tertiary feathers: These are on the ‘upper arm’ of the bird. They are the short, innermost flight feathers on the rear edge of a wing, close to the body of the bird. They are not as important for flight as the primary and secondary feathers.
Secondary feathers: These run along the ‘arm’ of the wing and sustain the bird in the air, giving it lift. The number of secondary feathers varies with different species. Experiments have shown that, if half of the secondaries are removed, a bird will still be able to fly, but some control will be lost.
Tertiary feathers: These are on the ‘upper arm’ of the bird. They are the short, innermost flight feathers on the rear edge of a wing, close to the body of the bird. They are not as important for flight as the primary and secondary feathers.
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