Question

name two birds fly at low heights​

Answer 1

Answer:

Some birds fly at particular heights to minimise energy expenditure. Petrels and albatrosses, for instance, travel very low to make use of the uplift caused by waves, while griffon vultures soar very high on rising thermals.

Explanation:

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Answer 2

Answer:

Petrels and Peacock are two birds fly at low height.

Explanation:

Petrels :

• Petrel, any of a variety of seabirds belonging to the family Procellariidae, which also includes fulmars and shearwaters, is one of the order Procellariiformes.

Peacock:

• Flying allows them to travel short distances. When they do that, they run first, hop next, and finally jump off the ground.

• Up to 6 feet in length, a peacock's tail feathers account for 60% of its body length. However, it is unable to fly very high; the highest point it can travel is a tree's lowest limb.

They fly at low height  because:

• The birds can benefit from the "ground effect," an aerodynamic phenomena, by skimming.

• When a wing is flying close to a surface, the airflow patterns around the wing are altered by the surface in a way that lessens drag, or the air's resistance to the wing's movement.

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