The forest's dense growth provides nesting places for a wide variety of birds.
森林里茂密的植物为各种各样的鸟儿提供了筑巢的地方。
Avian influenza virus can cause serious disease in a wide variety of birds and mammals, but generally its natural host range is limited to wild ducks and gulls.
禽流感病毒可感染许多鸟类和哺乳动物，但是其自然宿主范围通常限于野生水禽，如野鸭、海鸥等。
There is accumulating evidence indicating that birds navigate by using a wide variety of environmental cues.
越来越多的证据表明，鸟类通过各种各样的环境线索来导航。
They are very quick and maneuverable in flight, so they can flee most predators, if they are conscious of their presence and are extremely flexible birds which are found in a wide variety of habitats.
它们飞得轻巧又迅速，如果能够意识到捕食者的存在，它们可以逃开多数掠食者的追捕，而且是各种各样在此栖息的鸟类中最敏捷的。
To persuade the birds to stay away from power lines, all condor candidates for wild release were raised in a cage with a wide variety of perches.
为了教导秃鹫们远离户外电力线，研究人员在将其余的秃鹫都置于一个笼子里喂养，笼子里布满了各式的栖身之所。
To persuade the birds to stay away from power lines, all condor candidates for wild release were raised in a cage with a wide variety of perches.
为了教导秃鹫们远离户外电力线，研究人员在将其余的秃鹫都置于一个笼子里喂养，笼子里布满了各式的栖身之所。
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