Bài học lớp học · Wildlife · 🇲🇱 Mali

African Fish Eagle

The spectacular hunter of the Niger River

An African fish eagle perched on a dead tree above a river, white head gleaming in sunlight

Photo · Wikimedia Commons

Đây là gì?

The African fish eagle is one of Africa's most recognisable birds, with its bright white head and chest, rich chestnut body and sharp yellow beak. It lives along rivers, lakes and wetlands across sub-Saharan Africa, and in Mali it is a magnificent sight soaring above the Niger River. Its echoing cry - a loud, yelping call - is one of the most iconic sounds of an African river.

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The African fish eagle hunts in a spectacular way. It perches high in a tree above the water, watching for fish swimming near the surface. When it spots one, it drops like a stone, stretching its talons out at the last moment to snatch the fish straight out of the water. The whole dive takes less than a second. If the fish is too heavy to fly with, the eagle will sometimes drag it across the water's surface to the shore.

Fish eagles have specially roughened pads on their toes called spicules, which grip slippery fish so tightly they almost never drop their catch. They also have a waterproof coating on their feathers, so a quick dip into the river does not weigh them down. Their eyesight is estimated to be four times sharper than a human's.

The call of the African fish eagle is so loud and clear that it can be heard over a kilometre away. Pairs of fish eagles often call together in a duet - one calling, then the other answering - which is how they keep in touch and tell other eagles that a stretch of river belongs to them. Their cry is the national symbol of several African countries, though in Mali it is simply a beloved part of river life.

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Gợi ý thảo luận

  1. 01The fish eagle dives in under a second. How do speed and precision work together in hunting - or in sport?
  2. 02Fish eagles call to each other to stay in touch across a wide river. How do you stay connected with someone who is far away?
  3. 03If you could have the eyesight of a fish eagle for a day, what would you most want to look at?
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Hoạt động lớp học

Test your reaction time. One person holds a ruler vertically; a partner places their hand near the bottom without touching it. Drop the ruler without warning - how far does it fall before the partner catches it? The faster you catch it, the faster your reaction. Discuss: a fish eagle's dive is even faster than that. How does it do it?

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