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Only the lonely: an endangered bird is forgetting its song as the species dies out » | |
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2021-03-17 | |
发布年 | 2021 |
语种 | 英语 |
国家 | 澳大利亚 |
领域 | 气候变化 |
正文(英文) | 17 March 2021 Just as humans learn languages, animals learn behaviours crucial for survival and reproduction from older, experienced individuals of the same species. In this way, important “cultures” such as bird songs are passed from one generation to the next. But global biodiversity loss means many animal populations are becoming small and sparsely distributed. This jeopardises the ability of young animals to learn important behaviours. Nowhere is this more true than in the case of regent honeyeaters. In a paper published today, we describe how a population crash to fewer than 300 has caused the species’ song culture to break down. In healthy populations, the song of adult male honeyeaters is complex and long. But where the population is very small, the song is diminished and, in many cases, the birds have adopted the song of other species. Sadly, this makes the males less attractive to females, which may increase the chance the regent honeyeater will become extinct. Read the full article on The Conversation website, co-authored by Prof Naomi Langmore |
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来源平台 | ANU Climate Change Institute |
文献类型 | 新闻 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/319576 |
专题 | 气候变化 |
推荐引用方式 GB/T 7714 | admin. Only the lonely: an endangered bird is forgetting its song as the species dies out ». 2021. |
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