硫冠凤头鹦鹉(Cacatua galerita)会呼唤天气吗?

IF 1 4区 生物学 Q3 ZOOLOGY Australian Journal of Zoology Pub Date : 2024-03-21 DOI:10.1071/zo23043
Marissa L. Gillies, Culum Brown
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引用次数: 0

摘要

暴风雨会对野生动物产生重大影响,包括鸟类在内的许多动物都能预测暴风雨的到来,并相应地改变自己的行为。暴风雨通常与环境变量的变化有关,特别是与气压下降有关。社会性动物可能会集体探测并发布恶劣天气可能来临的消息,以促进群体反应。本研究测试了硫冠凤头鹦鹉利用环境线索预测暴风雨来临,并通过发出特定的 "雨叫 "向同类传达这一信息的假设。我们在大悉尼地区的四个地点进行了为期四个月的实地观察。我们记录了凤头鹦鹉的叫声以及多种环境变量:气压、相对湿度、降雨量和温度。我们还记录了一天中相对于日出和日落的时间。我们发现,雨叫全天都会出现,但在黎明时最为突出,而且在四个研究地点中的两个地点更为常见。在温度稍低、湿度较高和正在下雨的时候,雨叫更有可能出现。我们没有发现任何证据表明雨叫是由当前的大气压力引起的,但观察期间并没有出现很多暴风雨。
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Do sulphur-crested cockatoos (Cacatua galerita) call the weather?
Storms can have significant impacts on wildlife and many animals, including birds, can predict a storm’s arrival and change their behaviour accordingly. Storms are often associated with changes in environmental variables, particularly with a fall in barometric pressure. Social animals may collectively detect and advertise the potential onset of inclement weather to facilitate group responses. The present study tested the hypothesis that the sulphur-crested cockatoo uses environmental cues to predict the onset of storms and communicates this to conspecifics by emitting a specific ‘rain call’. Field observations were made over a four-month period at four locations in greater Sydney. Cockatoo calls were recorded, along with multiple environmental variables: barometric pressure, relative humidity, rainfall and temperature. We also noted the time of day relative to sunrise and sunset. We found that rain calls occurred throughout the day but were most prominent at dawn and were far more common at two of the four study sites. Rain calls were more likely to occur at slightly lower temperatures, during periods of high humidity and if it was currently raining. We found no evidence that the calls were prompted by current atmospheric pressure, but the observation period did not contain many storms.
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来源期刊
CiteScore
2.40
自引率
0.00%
发文量
12
审稿时长
>12 weeks
期刊介绍: Australian Journal of Zoology is an international journal publishing contributions on evolutionary, molecular and comparative zoology. The journal focuses on Australasian fauna but also includes high-quality research from any region that has broader practical or theoretical relevance or that demonstrates a conceptual advance to any aspect of zoology. Subject areas include, but are not limited to: anatomy, physiology, molecular biology, genetics, reproductive biology, developmental biology, parasitology, morphology, behaviour, ecology, zoogeography, systematics and evolution. Australian Journal of Zoology is a valuable resource for professional zoologists, research scientists, resource managers, environmental consultants, students and amateurs interested in any aspect of the scientific study of animals. Australian Journal of Zoology is published with the endorsement of the Commonwealth Scientific and Industrial Research Organisation (CSIRO) and the Australian Academy of Science.
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