All about eagles


Reading — Advanced Level
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Eagles are large, powerfully built birds of prey, with heavy heads and beaks. Even the smallest eagles, such as the booted eagle , which is comparable in size to a common buzzard or red-tailed hawk , have relatively longer and more evenly broad wings, and more direct, faster flight – despite the reduced size of aerodynamic feathers. Most eagles are larger than any other raptors apart from some vultures. The smallest species of eagle is the South Nicobar serpent eagle. Like all birds of prey, eagles have very large, hooked beaks for ripping flesh from their prey, strong, muscular legs, and powerful talons. The beak is typically heavier than that of most other birds of prey. Eagles' eyes are extremely powerful. It is estimated that the martial eagle, whose eye is more than twice as long as a human eye, has a visual acuity 3.0 to 3.6 times that of humans.
This acuity enables eagles to spot potential prey from a very long distance. This keen eyesight is primarily attributed to their extremely large pupils which ensure minimal diffraction of the incoming light. The female of all known species of eagles is larger than the male.

Eagles normally build their nests, called eyries, in tall trees or on high cliffs. Many species lay two eggs, but the older, larger chick frequently kills its younger sibling once it has hatched. The dominant chick tends to be a female, as they are bigger than the male. The parents take no action to stop the killing.

Due to the size and power of many eagle species, they are ranked at the top of the food chain as apex predators in the avian world. The type of prey varies by genus. The Haliaeetus and Ichthyophaga eagles prefer to capture fish, though the species in the former often capture various animals, especially other water birds, and are powerful kleptoparasites of other birds. The snake and serpent eagles of the genera Circaetus, Terathopius, and Spilornis predominantly prey on the great diversity of snakes found in the tropics of Africa and Asia. The eagles of the genus Aquila are often the top birds of prey in open habitats, taking almost any medium-sized vertebrate they can catch. Where Aquila eagles are absent, other eagles, such as the buteonine black-chested buzzard-eagle of South America, may assume the position of top raptorial predator in open areas. Many other eagles, including the species-rich genus Spizaetus, live predominantly in woodlands and forest. These eagles often target various arboreal or ground-dwelling mammals and birds, which are often unsuspectingly ambushed in such dense, knotty environments. Hunting techniques differ among the species and genera, with some individual eagles having engaged in quite varied techniques based their environment and prey at any given time. Most eagles grab prey without landing and take flight with it, so the prey can be carried to a perch and torn apart.
Source: Wikipedia
  1. The birds of prey primarily feed on  

  2. The eagles, just like the hawk, are also called   .

  3. An avian world refers to   .

  4. Most eagles are known to   .

  5. Eagles typically   for survival.


Practice your writing skills by discussing the questions below

  1. What are the traits of the eagles that differentiate them from other birds?

  2. How do eagles survive in their habitat?

  3. What are predators?


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      • sharpness or keenness of thought, vision, or hearing
      • a bird's horny projecting jaws; a bill
      • large in area; spacious
      • (captured) to take possession of; capture
      • any of the flat appendages growing from a bird's skin and forming its plumage, consisting of a partly hollow horny shaft fringed with vanes of barbs
      • any of the flat appendages growing from a bird's skin and forming its plumage, consisting of a partly hollow horny shaft fringed with vanes of barbs
      • a principal taxonomic category that ranks above species and below family, and is denoted by a capitalized Latin name,
      • (hatched) to come out of an egg
      • an animal that is hunted and killed by another for food
      • the hindmost part of an animal, especially when prolonged beyond the rest of the body


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