日本松鼠发声的结构与功能

IF 0.8 4区 生物学 Q3 ZOOLOGY
Mammal Study Pub Date : 2023-10-10 DOI:10.3106/ms2023-0037
Noriko Tamura, Yukiko Fujii, Keiji Imai
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引用次数: 0

摘要

尽管对松鼠科动物发声的研究已经积累了很多,但大多数研究都是针对陆栖松鼠的,而对树栖松鼠的认识仍然存在很大的空白。在日本岩手县的城市公园里,对日本松鼠的发声进行了调查。日本松鼠在警觉时发出“kuk”和“moan”,在社交时发出“squeal”和“buzz”。在“kuk”的声音中,58.2%是对猫、狗或观察者发出的,而36.4%的“moan”声音是对乌鸦或鹰发出的。在对两种类型的警报叫声进行回放实验时,当松鼠在地面上时,它们对“kuk”的声音做出反应,立即逃到树上,但对“moan”的声音做出反应,它们保持静止不动。然而,树上的松鼠对这两种声音的反应往往是保持静止。这些结果表明,“kuk”倾向于对陆生哺乳动物发出,“moan”倾向于对空中鸟类发出,而在更容易被捕食的地面上,逃跑或留下的决定更为关键。日本松鼠的两种报警叫声可能是为了确保附近近亲的快速和适当的逃跑行为。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Structure and Function of the Vocalization of Japanese Squirrels, Sciurus lis
Although much research has accumulated on Sciuridae vocalizations, most of it has been on terrestrial squirrels, and there is still a significant knowledge gap regarding arboreal squirrels. Vocalizations of the Japanese squirrel, Sciurus lis, were investigated in the urban park of Iwate Prefecture, Japan. The Japanese squirrels produced “kuk” and “moan” in alert and “squeal” and “buzz” in social interactions. Of the “kuk” sounds, 58.2% were uttered toward cats, dogs, or observers, while 36.4% of the “moan” sounds were toward crows or hawks. In a playback experiment of two types of alarm calls, when the squirrels were on the ground, they immediately fled up the tree in response to the “kuk” sound but remained still in response to the “moan” sound. However, squirrels in the trees often responded to remain still for both sounds. These results indicated that “kuk” tends to be emitted against terrestrial mammals and “moan” against aerial birds, and the decision to flee or stay is more critical on the ground, where they are more vulnerable to predation. The two types of alarm vocalizations in the Japanese squirrel may function to ensure the rapid and appropriate escape behavior of nearby close relatives.
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来源期刊
Mammal Study
Mammal Study ZOOLOGY-
CiteScore
1.70
自引率
20.00%
发文量
23
审稿时长
>12 weeks
期刊介绍: Mammal Study is the official journal of the Mammal Society of Japan. It publishes original articles, short communications, and reviews on all aspects of mammalogy quarterly, written in English.
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