The Bird Atlas

Page 22

SOUTH AMERICA

The Amazon Rainforest

Red-billed toucan

With its long bill, the red-billed toucan can reach out to pluck berries or seeds from trees high in the canopy. The jagged edges of its bill work like a saw to cut fruits. It also eats insects, spiders, and small birds. Its bill is hollow and extremely light. The brightly coloured bill may help it recognize others of its kind.

The Amazon rainforest stretches from the Andes Mountains in the west to the Atlantic Ocean in the east. One-fifth of all the kinds of birds in the world live there. This is mainly due to differences in rainfall, soils, and height of the land across the region, which provide a variety of habitats. Birds live at different layers in the trees, rather like people live in a block of flats. Each layer receives different amounts of sunlight and provides different kinds of food. Birds such as toucans live in the treetops, called the canopy. In the middle layers live birds such as macaws and jacamars, while down on the forest floor larger birds stalk among the fallen leaves.

Red-billed toucan (Ramphastos tucanus) Length: 2 ft (58 cm)

Guianan cock-of-the-rock The male Guianan cock-of-the-rock performs amazing displays on the forest floor to attract a female. Up to 25 males display together and each has his own area. They show off by leaping into the air, bobbing their heads, snapping their bills, and flicking and fanning their feathers.

Scarlet macaw

At sunrise the scarlet macaw flies through the forest in search of food. It squawks noisily while flying but feeds in silence. Two of its toes point forward and two point backward, so it can use its feet to grip well and hold food up to its mouth.

The macaw’s powerful bill can crush the hardest seeds and nuts. It is also used for preening and to grip branches.

Guianan cock-of-the-rock (Rupicola rupicola) Length: 1 ft 1 in (32 cm)

Scarlet macaw (Ara macao) Length: 2 ft 11 in (89 cm)

Female cock-ofthe-rocks are drab colored for camouflage and look very different from males.

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Short legs help the macaw keep its balance.

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During his display the male spreads his crest forward so it almost hides his bill.

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The male displays on a bare patch of forest floor called a “lek.”

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Rainforest birds are often brightly colored but they are hard to see against a background of leaves and patches of sunlight.

800 km 500 miles


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