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  • The bald eagle...

  • one of the world's most fascinating birds of prey...

  • Most recognized as the national bird and symbol

  • of the United States,

  • it is indeed one of Nature's Wonders.

  • Its name may fool you.

  • This species, once on the brink of extirpation,

  • now inhabits most of North America.

  • Commonly found in wooded areas

  • near bodies of water,

  • the bald eagle patiently waits for prey.

  • It feeds on fish,

  • but can eat any meat it finds.

  • Man has had adverse effects on their population,

  • but slowly and surely, it has been recovering.

  • As the top predator in its food chain,

  • the bald eagle helps

  • to control the population of other predators,

  • and maintain balance in its ecosystem.

  • The bald eagle is a warm-blooded vertebrate

  • of the order of hawks and eagles.

  • The genus to which it belongs

  • is comprised of birds of prey,

  • characterized by long wings.

  • The name of its species comes from

  • the Greek word for "white head".

  • The bald eagle is found

  • throughout all of the continental United States,

  • Northern Mexico, and most of Canada.

  • Eagles in frigid Northern areas

  • migrate to unfrozen bodies of water during the winter,

  • whereas those in more temperate climates

  • have no need for migration.

  • Since fish comprise a major part of the bald eagle's diet,

  • it lives close to bodies of water.

  • However, it also requires forested areas

  • for perching and nesting,

  • preferably with mature trees and low canopy cover.

  • When waiting for prey on tall trees,

  • it uses its superior eyesight to spot targets.

  • The bald eagle has large wings,

  • which aid it in hunting

  • and which assist it in attacking its prey.

  • Its powerful talons are also crucial

  • to its hunting process,

  • enabling the eagle to grab the fish out of the water.

  • However, if the fish is too heavy,

  • the eagle may be dragged into the water

  • and could die of hypothermia.

  • Most of the bald eagle's diet consists of fish,

  • but it can eat almost anything.

  • Other prey can include mammals,

  • such as rabbits and deer,

  • or small birds like ducks and geese.

  • Rare attacks on great blue herons and swans

  • have also been recorded.

  • During the winter, when food is not as abundant,

  • the bald eagle acts as a scavenger,

  • feeding on carcasses as large as that of a whale.

  • Occasionally, the bald eagle may also scavenge

  • food remnants from camp sites and garbage dumps.

  • An aggressive predator, the bald eagle competes with,

  • and sometimes displaces,

  • other carnivores high up in the food chain,

  • such as coyotes and foxes.

  • Bald eagles reach sexual maturity

  • at the age of four or five,

  • when they return to their birthplace

  • to look for a mate.

  • They usually mate for life,

  • unless the other dies,

  • or if multiple breeding attempts are unsuccessful.

  • Mating and courtship consist of

  • elaborate calls and flight displays

  • On average, two eggs are produced each year,

  • with the male and female alternately incubating the eggs

  • while the other hunts for food.

  • Unfortunately, it is rare for all of the chicks to survive.

  • Nature's Wonders will continue after these messages...

The bald eagle...

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禿鷹 (The Bald Eagle)

  • 19 2
    阿多賓 發佈於 2021 年 01 月 14 日
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