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首页> 外文期刊>Ostrich >Behavioural ecology of the Namibian violet woodhoopoe Phoeniculus damarensis.
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Behavioural ecology of the Namibian violet woodhoopoe Phoeniculus damarensis.

机译：纳米比亚紫罗兰色木柳楠（Phoeniculus damarensis）的行为生态学。

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摘要

We studied the behavioural ecology of the Violet Woodhoopoe Phoeniculus damarensis, a rare species endemic to Namibia and southern Angola. Groups in Namibia consisted on average of 4.3 [plus or minus] 1.6 individuals, with apparently only a single breeding pair. Non-breeding group members of both sexes brought food to the incubating female, to nestlings, and to fledglings. Groups defended relatively small (c. 12ha) core territories along river courses, where the only cavities suitable for roosting and breeding were situated, but they spent much of their days foraging in undefended home ranges of between 60 and 150ha in size. Violet Woodhoopoes were similar to Green (Red-billed) Woodhoopoes P. purpureus in most other respects, particularly as far as behavioural displays were concerned, but appeared to engage in terrestrial (as opposed to arboreal) foraging to a greater extent. The cooperatively breeding social system of this species and apparent hybridisation between P. damarensis and P. purpureus reduces its effective population size significantly, and Namibia may therefore contain only about 500 breeding units. This has serious implications for the conservation of the species, but nest boxes placed away from the ephemeral rivers inhabited by Green Woodhoopoes may be a fruitful starting point.
机译：我们研究了纳米比亚和安哥拉南部特有的稀有物种紫罗兰（Woodhoopoe Phoeniculus damarensis）的行为生态学。纳米比亚的群体平均有4.3个（正负）1.6个个体，显然只有一个繁殖对。男女的非繁殖组成员都将食物带给正在孵化的雌性，雏鸟和雏鸟。小组沿河道守卫着相对较小（约12公顷）的核心领地，那里只有适合栖息和繁殖的空腔，但他们大部分时间都在60至150公顷大小的无防护范围内觅食。紫罗兰色的Woodhoopoes在大多数其他方面与绿（红嘴）Woodhoopoes P. purpureus相似，特别是就行为展示而言，但似乎在更大程度上参与了陆地（与树栖动物相反）的觅食。该物种的合作育种社会系统以及达马疟原虫和紫癜疟原虫之间的明显杂交大大降低了其有效种群数量，因此纳米比亚可能仅包含约500个繁殖单位。这对物种的保护具有严重的影响，但是远离绿色伍德hoopoes居住的短暂河流放置的巢箱可能是一个富有成果的起点。

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