实验证据表明,绿黑毒蛙(dendroates auratus)的脚趾敲击行为与猎物探测有关

IF 1.1 4区 生物学 Q4 BEHAVIORAL SCIENCES acta ethologica Pub Date : 2023-05-06 DOI:10.1007/s10211-023-00422-8
Lisa M. Schulte, Yannis König
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引用次数: 1

摘要

在许多青蛙和蟾蜍身上都可以观察到后腿中间脚趾的快速运动,通常与进食、呼唤或求爱行为有关。虽然对不同物种进行了大量的观察,但关于触发这种行为的刺激的实验证据几乎不存在。在这里,我们系统地测试了不同刺激对法兰克福动物园圈养的绿黑毒蛙(dendroates auratus, dendroatidae)敲脚行为的影响。我们发现,与对照组相比,大型和小型猎物(蟋蟀和果蝇)都引发了更多的跺脚行为,而且跺脚与进食事件呈正相关。相比之下,播放广告调用不会触发敲脚。我们进一步发现,幼年蛙也会踢腿,但频率低于成年蛙。我们的研究结果支持基于观察的数据,即敲击脚趾与狩猎行为有关。虽然求爱的听觉部分似乎不会触发敲脚,但关于视觉和/或触觉求爱刺激的实验证据仍然缺乏。
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Experimental evidence that toe-tapping behavior in the green-and-black poison frog (Dendrobates auratus) is related to prey detection

Toe-tapping, the quick movement of the middle toes of the hind legs, has been observed in many frogs and toads, and is usually associated with feeding, calling, or courtship behaviors. While plenty of observations of toe-tapping exist for different species, experimental evidence regarding the stimuli triggering this behavior is almost non-existent. Here, we systematically tested the influence of different stimuli on the toe-tapping behavior in the green-and-black poison frog (Dendrobates auratus, Dendrobatidae) from a captive colony in the Zoo Frankfurt. We found that, compared to a control, both big and small prey animals (crickets and fruit flies) elicited much more toe-tapping behavior, and that toe-tapping was positively correlated to feeding events. Playback advertisement calls in contrast did not trigger toe-tapping. We further showed that also juvenile frogs already toe-tap, but less frequently than adults. Our results support the observation-based data that toe-tapping is associated with hunting behaviors. While the auditory part of courtship does not seem to trigger toe-tapping, experimental evidence regarding visual and/or tactile courtship stimuli is still lacking.

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来源期刊
acta ethologica
acta ethologica 生物-动物学
CiteScore
1.90
自引率
0.00%
发文量
18
审稿时长
>12 weeks
期刊介绍: acta ethologica publishes empirical and theoretical research papers, short communications, commentaries, reviews and book reviews as well as methods papers in the field of ethology and related disciplines, with a strong concentration on the behavior biology of humans and other animals. The journal places special emphasis on studies integrating proximate (mechanisms, development) and ultimate (function, evolution) levels in the analysis of behavior. Aspects of particular interest include: adaptive plasticity of behavior, inter-individual and geographic variations in behavior, mechanisms underlying behavior, evolutionary processes and functions of behavior, and many other topics. acta ethologica is an official journal of ISPA, CRL and the Portuguese Ethological Society (SPE)
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