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Why do birds have long tails? Males often have far longer tails than females so the usual idea is that long tails have evolved because females prefer them. But the reason why birds have long tails may not be as simple as this, say British zoologists.

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The long tails sported by many male birds in the tropics look like they're a drag to carry around and a distinct disadvantage when fleeing predators, but experiments by University of California, Berkeley, biologists shows that they exact only a minimal cost in speed or energy - at least in hummingbirds. It's hard to say, but we argue that it's not, especially when compared to the costs of things like molting and migration. As a way to attract admiring females, in fact, long tail feathers may be one of the easiest ornamentations to evolve with the least consequences, the researchers say.

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A red-billed streamertail from Jamaica. The elongated tail feathers are the next-to-outermost pair. In most other long-tailed birds, the outer pair are elongated. Luis Mazariegos "We estimate that having a long tail increases a bird's daily metabolic costs by 1 to 3 percent, which means the bird has to visit 1 to 3 percent more flowers in its territory," said Christopher J.

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Overwhelmed by your long hair? I get it. But, there's no need to grab the scissors just yet unless, you really want to.

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Female barn swallows find long-tailed mates more sexy, a Swedish scientist reported Wednesday, providing the first evidence that monogamous birds may choose partners on the basis of their physical charms. Anders Moller of Uppsala University in Sweden said his study of the barn swallow, Hirundo rustica, from to indicates that male birds with conspicuous, elongated tails obtained mates more quickly than males with shorter tails. But even in that situation, some males ended up without any mate at all -- those were the shorter tail males.

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New horror movie Thale is a tale dredged from the dark depths of Nordic folklore — or should we say, a tail. Norwegian director Aleksander Nordaas' first full-length feature revolves around a mythical seductress called a Huldra who prances around with a swishing posterior appendage like that of a cow. It's a girl. With a tail.

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Berkeley -- The long tails sported by many male birds in the tropics look like they're a drag to carry around and a distinct disadvantage when fleeing predators, but experiments by University of California, Berkeley, biologists shows that they exact only a minimal cost in speed or energy - at least in hummingbirds. It's hard to say, but we argue that it's not, especially when compared to the costs of things like molting and migration. As a way to attract admiring females, in fact, long tail feathers may be one of the easiest ornamentations to evolve with the least consequences, the researchers say.

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Obsolete names for the breed include Shepherd's Dog [1] and bob-tailed sheep-dog. Old English Sheepdogs can grow very long coats with fur covering the face and eyes and do not shed unless brushed. The Old English Sheepdog is a large dog, immediately recognizable by its long, thick, shaggy grey and white coatwith fur covering their face and eyes.

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