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Brazza's martin Phedina brazzae: new information on range and vocalisations.

机译:Brazza的马丁Phedina brazzae:有关范围和声音的新信息。

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Brazza's Martin Phedina brazzae is classified by BirdLife International as Data Deficient, and so improving data on population size, distribution and threats is a priority for its proper conservation evaluation. We recorded Brazza's Martin, previously known only from the Congo Basin, in the central highlands of Angola and near Salonga National Park in the Democratic Republic of Congo, with range extensions of 750km southwards and 175km northwards, respectively. This results in a four-fold increase in the known range size of this species. Because it appears to utilise open habitats, is suspected to be tolerant of some human-induced alteration of habitat, and because there is no evidence that Brazza's Martin is declining, we recommend that this species be listed as Least Concern. Furthermore we describe, for the first time, the vocalisations of this species, which are more similar to those of Banded Martin Riparia cincta than to its presumed sister species, Mascarene Martin P. borbonica.
机译:Brazza的Martin Phedina brazzae被BirdLife International归类为“数据不足”,因此,对其种群规模,分布和威胁进行的数据改进是对其适当的保护评估的优先事项。我们在安哥拉中部高地和刚果民主共和国的萨隆加国家公园附近记录了以前仅从刚果盆地得知的布拉柴马丁,其射程向南延伸了750公里,向北延伸了175公里。这导致该物种的已知范围大小增加了四倍。因为它似乎是在利用开放的栖息地,因此被怀疑可以容忍某些人为改变的栖息地,并且因为没有证据表明Brazza的马丁正在下降,所以我们建议将该物种列为“最不关注”物种。此外,我们首次描述了该物种的发声,这与带状马丁Riparia cincta的发声相比,与其假定的姊妹物种Mascarene Martin P. borbonica更相似。

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