志愿者们建造了80多个巢穴箱 帮助拯救濒临灭绝的西部紫色马丁 Volunteers build over 80 nest boxes to help save the nearly extinct Western Purple Martin.
来自Nature Nanaimo的志愿者已经建造了80多个新的巢穴箱,以帮助拯救西紫马丁,这个物种由于与星座和麻雀等入侵物种的竞争而濒临灭绝。 Volunteers from Nature Nanaimo have built over 80 new nest boxes to help save the Western Purple Martin, a species nearly extinct due to competition with invasive species like starlings and sparrows. 鸟类对于控制昆虫至关重要 现在完全依赖这些人工巢穴 温哥华岛大约有800个箱子在使用 The birds, crucial for controlling insects, now rely entirely on these artificial nests, with about 800 boxes in use on Vancouver Island. 格鲁吉亚盆地生态评估与恢复协会牵头开展这项工作,为建造和监测每20至40年需要更换的箱子提供了准则。 The Georgia Basin Ecological Assessment and Restoration Society leads the effort, providing guidelines for building and monitoring the boxes, which need replacement every 20 to 40 years.