Can contrasting habitats influence predatory behavior in tropical forest scorpions?

IF 1.1 4区 生物学 Q4 BEHAVIORAL SCIENCES acta ethologica Pub Date : 2022-03-22 DOI:10.1007/s10211-022-00390-5
Henrique P. Cunha, Adriana B. Santos, Stênio Í. A. Foerster, Geraldo J. B. Moura, André F. A. Lira
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Abstract

Predation strategies are often habitat-dependent; therefore, contrasting biomes, such as rainforests and seasonally dry forests, may be useful for understanding how the environment influences predatory behavior. The aim of this study was to evaluate the prey capture behavior of scorpions from contrasting habitats in northeastern Brazil. The scorpions’ use of the stinger and movement probability after prey capture were analyzed. We collected 120 scorpions, 60 from the Atlantic Forest and 60 from the Caatinga drylands. Our results indicate that scorpions from the Atlantic Forest tended to use their stinger more frequently than those from the Caatinga habitat. We also found that Caatinga scorpions moved approximately 40% more after prey capture than the Atlantic Forest species. Environmental pressures related to the metabolic costs of venom production and potential predation risk may partially explain the differential behavior observed in this study. Therefore, our results suggest that despite the morphological differences between species, animals from contrasting habitats may show different prey capture strategies.

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不同的栖息地会影响热带森林蝎子的捕食行为吗?
捕食策略往往依赖于栖息地;因此,对比生物群落,如热带雨林和季节性干燥森林,可能有助于理解环境如何影响捕食行为。本研究的目的是评估来自巴西东北部不同栖息地的蝎子的猎物捕获行为。分析了蝎子对毒刺的使用和猎物捕获后的移动概率。我们收集了120只蝎子,60只来自大西洋森林,60只来自卡廷加旱地。我们的研究结果表明,来自大西洋森林的蝎子比来自Caatinga栖息地的蝎子更频繁地使用它们的毒刺。我们还发现,在捕获猎物后,Caatinga蝎子的移动速度比大西洋森林的蝎子大约多40%。与毒液产生的代谢成本和潜在的捕食风险相关的环境压力可能部分解释了本研究中观察到的差异行为。因此,我们的研究结果表明,尽管物种之间存在形态差异,但不同栖息地的动物可能表现出不同的猎物捕获策略。
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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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