Poaching and habitat destruction threaten African elephants throughout their range.
偷猎和栖息地被破坏威胁着非洲象的生活范围。
On the periphery of its range, populations have declined, primarily due to habitat modification, dam construction, river flow modification, wetland drainage, and pollution.
但是在边缘地带，其数量有所减少，主要归咎于其生活环境的改变、水坝建设、河流改道、湿地干涸以及环境污染。
With a population of about 180,000, the whooper, though vulnerable to loss of habitat, is among the most abundant of swans and trumps others in the sweep of its range.
尽管栖息地容易遭到破坏，但大天鹅仍以18万只的种群数量冠居天鹅家族之首，而且其栖息范围也超出了其他种类的天鹅。
They need big grassy estuaries, subalpine habitat, and an enormous home range, which those islands don't offer.
它们需要找长满青草的大河口地区和半山坡作为栖息地，而且还要有比较大的活动区域才行，而这些条件是那些小岛都不具备的。
Can you tell us more about this species - its range, habitat requirements, status, and any threats it may face?
你可以进一步介绍这个物种么——关于它的产地、栖息地的必要条件、情况和它所面对的威胁？
The reason for the potential habitat overlap is twofold: grizzliesseem to be expanding their range east and south from the Rockies, mostly as a result of their growing population, says Rockwell.
洛克韦尔说，造成这两种动物的栖息地重叠的原因有两个：一是灰熊从洛基山脉向东面和南面正在扩大它们的生存范围，结果使它们的数量不断增长。
The study is in the Journal of Wildlife Management. [Jeff Horn et al, Home range, habitat use, and activity patterns of free-roaming domestic cats]
这一研究发表在了《野生动物管理》杂志上[JeffHornetal,Homerange,habitatuse,andactivitypatterns of free-roamingdomestic cats]。
Central Africa's lowland gorilla populations suffer from steady habitat loss, capture and killing by poachers, and the cross fire of civil wars within their range.
中部非洲的低地大猩猩人口遭受稳定的栖息地丧失，偷猎者捕捉和杀害，和交叉射击的内战在其范围内。
In the last several decades, due to destruction of habitat and hunting pressure, the distribution range and population size of this muntjac have been continued declining.
近几十年来，由于栖息地受到严重破坏，以及滥捕猎杀等原因，黑麂野生种群的分布范围和数量逐渐缩小。
Central Africas lowland gorilla populations suffer from steady habitat loss, capture and killing by poachers, and the cross fire of civil wars within their range.
非洲中部的低地的大猩猩数目遭受从稳定栖息地到降低数量，原因是被偷猎者捕获和杀死，也有越过山林火的灾难。
This range of bird's nest uses only good quality bird's nest as raw material. The raw material is sourced from North Sumatra Island, Indonesia, a conducive natural habitat for swallows.
黄金燕只选用上等燕为原料，而原料取自于印尼北苏门答腊岛，一个非常适合金丝燕成长的天然环境。
The natural range and habitat of this supreme predator remain uncertain.
这种最高级的食肉动物的“捕猎场所”与栖息地不断在变。
The natural range and habitat of this supreme predator remain uncertain.
这种最高级的食肉动物的“捕猎场所”与栖息地不断在变。
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