Fascinating Facts About Ostriches |
Who knew the Ostrich was such a
notable record-holder in the Animal Kingdom? Not only is it the world’s
largest bird; it also lays the largest eggs [of any bird] and is the
fastest two-legged animal on land (sorry Usain Bolt)! Here are 10 things
you might not have known about this fascinating bird. Behold! The Ostrich in all of its flightless glory!
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The Ostrich is the largest living
species of bird in the world, typically weighing 140 – 290 lbs
(63.5-131.5 kg) and measuring 6 – 9 ft (1.8-2.7 meters) in height.
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Ostrich eggs are the largest of all
bird eggs (and by extension the yolk is the largest single cell), though
they are actually the smallest eggs relative to the size of the adult
bird. On average they are 15 centimetres (5.9 in) long, 13 centimetres
(5.1 in) wide, and weigh 1.4 kilograms (3.1 lb).
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Contrary to popular belief, Ostriches
do not bury their heads in sand. This myth likely began with Pliny the
Elder (AD 23-79), who wrote that Ostriches: “imagine, when they have
thrust their head and neck into a bush, that the whole of their body is
concealed.”
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Ostriches normally spend the winter
months in pairs or alone. Only 16% of Ostrich sightings were of more
than two birds. During breeding season and sometimes during extreme
rainless periods Ostriches live in nomadic groups of five to 50 birds
(led by a top hen) that often travel together with other grazing
animals, such as zebras or antelopes.
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The Ostrich is the largest living
species of bird in the world, typically weighing 140 – 290 lbs
(63.5-131.5 kg) and measuring 6 – 9 ft (1.8-2.7 meters) in height.
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Ostriches can run at maximum speeds
of about 97.5 km/h (60.6 mph), making it both the fastest bird on land
and the fastest two-legged animal in the world.
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The Ostrich is farmed around the
world, particularly for its feathers, which are decorative and are also
used as feather dusters. Its skin is used for leather products and it is
claimed that Ostriches produce some of the strongest commercial
leather. Its meat is marketed commercially with a taste similar to lean
beef and is low in fat and cholesterol and high in calcium, protein and
iron.
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Ostriches mainly feed on seeds,
shrubs, grass, fruit and flowers; occasionally they also eat insects
such as locusts. Lacking teeth, they swallow pebbles that act as
gastroliths to grind food in the gizzard. An adult Ostrich carries about
1 kilogram (2.2 lb) of stones in its stomach.
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One scrambled ostrich egg equals about 25 chicken eggs
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The Ostrich has just two toes on each
foot (most birds have four), with the nail on the larger, inner toe
resembling a hoof. The outer toe has no nail, and the reduced number of
toes is an adaptation that appears to aid in running.
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Ostrich wings reach a span of about 2
metres (7 ft) and are used in mating displays and to shade chicks. They
are however, unable to fly.
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dimanche 24 août 2014
Fascinating Facts About Ostriches
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