An investigation of toe‐tapping behaviour in anurans by analysis of online video resources,Journal of Zoology

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An investigation of toe‐tapping behaviour in anurans by analysis of online video resources
Journal of Zoology ( IF 1.9 ) Pub Date : 2020-08-13 , DOI: 10.1111/jzo.12815
L. S. A. Claessens ₁ , N. O. Ganchev ₁ , M. M. Kukk ₁ , C. J. Schutte ₁ , J. J. Sloggett ₁

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Toe‐tapping is a widespread anuran behaviour commonly associated with feeding where the anurans move the middle toes of their hind legs up and down. Previous studies have interpreted it as a pedal lure, a prey localization method and a stimulus used to transfix prey. A database of online videos was constructed in order to study this behaviour across species, with a particular focus on arrow poison frogs (Dendrobatidae); tapping occurrence, prey characteristics and environmental factors were recorded. The data collected include 19 species that have, as of yet, not been recorded to tap, 16 of which exhibit feeding‐related tapping, while in the three other species, tapping seemed to be related to courtship. Across dendrobatid species, a significant correlation was found between prey activity and the occurrence of tapping, which supports a prey localization hypothesis. The database proved to be a valid method of research as it provided a sample size large enough for detailed data analysis across the Dendrobatidae. The utility of the data was partially limited by the available number of observations per species and the inconsistency in video quality, however.

中文翻译：

通过在线视频资源分析调查无脊椎动物的脚趾窃听行为

脚趾敲击是一种广泛的无脊椎动物行为，通常与进食相关，无脊椎动物将后腿的中脚趾上下移动。先前的研究将其解释为踏板诱饵，猎物定位方法和用于固定猎物的刺激。为了研究跨物种的这种行为，建立了一个在线视频数据库，特别侧重于箭毒蛙（Dendrobatidae）；记录窃听发生，猎物特征和环境因素。收集的数据包括迄今尚未记录的19种物种，其中16种表现出与采食有关的窃听，而在其他三个物种中，窃听似乎与求偶有关。在所有树毛龙的物种中，猎物活动与窃听的发生之间存在显着的相关性，它支持猎物本地化假设。该数据库被证明是一种有效的研究方法，因为它提供了足够大的样本量，可用于整个Dendrobatidae的详细数据分析。然而，数据的实用性部分受到每种物种的可用观察次数以及视频质量不一致的限制。

更新日期：2020-08-13

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