Electric multiple unit Wikipedia

novembre 2, 2021by admin_at0

what is the emu

Emus are about 2-3 times the size of ducks and chickens, so your regular coop will not make do as a shelter for them. Delve into The Birds of Australia online publication and discover the incredible world yndx earnings date, forecast and report of Australian birdlife. It may have been derived from an Arabic word for large bird and later adopted by early Portuguese explorers and applied to cassowaries in eastern Indonesia. The term was then transferred to the Emu by early European explorers to Australia. The emu is an important cultural icon of Australia, appearing on the coat of arms and various coinages. The bird features prominently in Indigenous Australian mythologies.

During this period, the stripes fade and the downy plumage is replaced by dull brown feathers. Emus are nearly fully grown at one year, and may breed at 20 months. The female dominates the male during pair formation but once incubation begins, the male becomes aggressive to other Emus, including his mate.

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  1. The emu is an important cultural icon of Australia, appearing on the coat of arms and various coinages.
  2. So, armed with this knowledge, it might not be as surprising that a kiwi’s closest relative is the emu, a much more powerful and heavy animal, in a closely related family.
  3. While migrating in search of food, large groups of Emus sometimes come together to form massive flocks.
  4. But there’s so much more to these animals than is commonly known.
  5. Even on farms, these birds are difficult to care for because you need tall, sturdy fences to contain them.

Emus were once found in Tasmania, but were exterminated soon after Europeans arrived. Two dwarf species of emus that lived on Kangaroo Island and King Island also became extinct. EMUs are popular on commuter, and suburban rail networks around the world due to their fast acceleration and pollution-free operation,[1] and are used on most rapid-transit systems. Being quieter than diesel multiple units (DMUs) and locomotive-hauled trains, EMUs can operate later at night and more frequently without disturbing nearby residents. The emu’s feathers direct rain away from its body as it sleeps. Immelmann noted that a sleeping emu looked like an anthill from a distance, suggesting this trait may be an effective camouflage.

At the least, a pair of emus need 3000 square feet of space. However, some breeders raise emu pairs in 1000 square feet of space. Emus move within their range according to climatic conditions. If sufficient food and water are present, birds will reside in one area. Where these resources are more variable, Emus move as needed to find suitable conditions. They are known to move hundreds of kilometres, sometimes at rates of 15 km to 25 km per day.

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The largest of these birds stands over 6 feet tall, and weighs up to 88 pounds or so. The male and viewing portfolio profit and loss on tastyworks female remain together for about five months, which includes courtship, nest building and egg-laying. The nest consists of a platform of grass on the ground, about 10 cm thick and 1 m – 2 m in diameter. The large eggs (130 mm x 90 mm) are laid at intervals of two to four days. These are dark bluish-green when fresh, becoming lighter with exposure to the sun.

what is the emu

The female wanders away and leaves the male to perform all the incubation. The male incubates the eggs without drinking, feeding, defecating or leaving the nest. During this time, eggs often roll out of the nest and are pulled back in by the male. She lays her eggs in the nest the male has built, and then she leaves. This bird’s wings are virtually useless, as they cannot fly. At their necks and heads their feathers become sparse and inconsistent, showing greyish-blue skin underneath.

Ostriches, on the other hand, are far more distantly related to emus, despite being closest in size. At least in Britain, the closest most people ever got to an emu was a mischievous toy bird with a man’s hand up it. But there’s so much more to these animals than is commonly known.

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Once a pair has mated, the female lays a clutch of eggs in the male’s nest over several days. The emu can grow to be as tall as 2 metres (6.5 feet) in height (1 – 1.3 metres at the shoulder) and weigh up to 45 kilograms (99 pounds). Male and female emus are similar in appearance although females are generally larger. Emus have soft, long, brown feathers on their plumage which has a shaggy appearance and shorter downy feathers on their heads. Newly hatched chicks are cream-coloured with dark brown stripes. Young birds stay close together and remain with the male for four months.

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Once the eggs hatch, the male emu will stay with the chicks for the next 18 months, teaching them to hunt for food. They stand around 5 inches (12 centimetres) tall and weigh 0.5 kilograms (18 ounces). The female emu lays her eggs (on average 11 eggs) which are large, thick-shelled and green in color and then leaves the male emu to do the brooding. The female emu will mate with other males and will produce multiple clutches of eggs.

An EMU requires no separate locomotive, as electric traction motors are incorporated within one or a number of Bill ackman best trades the carriages. An EMU is usually formed of two or more semi-permanently coupled carriages, but electrically powered single-unit railcars are also generally classed as EMUs. The great majority of EMUs are passenger trains, but versions also exist for carrying mail. The bird is sufficiently common for it to be rated as a least-concern species by the International Union for Conservation of Nature. Despite this, some local populations are listed as endangered, with all the insular subspecies going extinct by the 1800s.

Emus are possibly more sociable when domesticated, so they may need a pal. They have even been noted to call out for each other when paired. Naturally, emus will not seek to escape if they are happy in their enclosure. But without a fence in place, there would be no limit within which they can roam.

The Birds of Australia online publication

The Emu is Australia’s tallest native bird, reaching between 1.6 m and 1.9 m when standing erect. Adult Emus are covered with shaggy grey-brown feathers except for the neck and head, which are largely naked and bluish-black. The wings are greatly reduced, but the legs are long and powerful. Most people see Emus along roadsides, near fences or other barriers, giving the impression of close association. However, Emus are not really social, except for young birds, which stay with their father. The male incubates the eggs for 56 days, during which time he does not eat or drink.

Emus are very tall, and the second-tallest bird left on earth, after the ostrich. Ensure the area is well-fenced; do not use barbed-wire fencing – electric fencing or field fencing are better options. However, according to Backyard Poultry, raise no less than two emus.

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