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could not deal with that much sugar.But hummingbirds burn their sugar as quickly as they eat it,so it doesn't become a problem.In fact,hummingbirds don't live on nectar alone.They also eat a lot of insects and spiders.And maybe with enough nectar,the spiders don't taste quite so ...
but we cannot tell why they leave the sunny south to comeback to us in the spring.We know only that many of them pke to make their nests and rear theiryoung in the north.We are sorry to see them go,but we know that when winter is over they will come back to us.Why do birds ...
These Penguin- like birds once lived around the coasts from Iceland and Florida.But the great auk was fiercely hunted for its feathers and eggs.The very last ones were killed in1844. Today, great auks are extinct. You can only see them in picture, ...
Migratory birds are known for their ability to traverse thousands of kilometers to reach their breeding or wintering grounds. Research by Bangor University found that these birds, in this case, Eurasian reed warblers (Acrocephalus ... Plants & Animals ...
aepyornis,elephant bird- huge (to 9 ft.) extinct flightless bird of Madagascar moa- extinct flightless bird of New Zealand Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc. Want to thank TFD for its existence?Tell a friend about us, add a li...
The presence of a large number of the aviculture people' 翻译结果2复制译文编辑译文朗读译文返回顶部 正在翻译,请等待... 翻译结果3复制译文编辑译文朗读译文返回顶部 If too few in number or extinction of the birds, insects will breed, after the insects eat plants, themselves become extinct, so eco...
The National Museum in Prague possesses 34 specimens of 14 extinct and nearly extinct species of birds from the families Anatidae (Camptorhynchus labradorius), Rallidae (Nesoclopeus cf. poecilopterus), Scolopacidae (Numenius tenuirostris), Alcidae (Pinguinus impennis), Raphidae (Raphus cucullatus...
According to nearly all ornithologists, birds are not only the descendants of ancient dinosaurs, they are, in fact, dinosaurs themselves! Dinosaurs are a branch of reptiles that emerged during the middle of the Triassic Period (about 252 million to 201 m
One of the rarest species of birds on the planet, the California Condor went extinct in the wild in 1987 when all of the remaining birds were captured. These birds were then raised and bred in safe environments with the hope of releasing the offspring back into the wild. ...