Social diffusion of new foraging techniques in the Southern ground-hornbill (Bucorvus leadbeateri).

IF 1.9 4区 心理学 Q3 BEHAVIORAL SCIENCES
Samara Danel, Nancy Rebout, Lucy Kemp
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引用次数: 1

Abstract

Social learning during foraging has been found in a wide range of animals, including numerous bird species. Still, the mechanisms underlying this cognitive capacity remain largely unstudied and the use of divergent methods limits our understanding of their taxonomic distribution. Using an ecologically relevant design, the open diffusion experiment, we tested whether 11 Southern ground-hornbills (Bucorvus leadbeateri) were able to show imitation on the two-action task. Three experimental groups were created. In the slide and pull group, subjects ('observers') watched a trained conspecific ('demonstrator') opening a box using a specific technique. Naïve individuals from the control group, however, did not receive a social demonstration. All birds of the slide and pull group succeeded in opening the box, whereas all subjects of the control group failed the task. We found consistent inter-individual differences among some observers, with only two birds (one in each group) using the same technique and part of the box contacted by the demonstrator. Our results suggest that at least fine-tune enhancement underlies behavioural diffusion in this novel model species, which provides new research opportunities with direct implications for conservation.

南方地犀鸟(Bucorvus leadbeateri)新觅食技术的社会传播。
觅食过程中的社会学习在很多动物中都有发现,包括许多鸟类。然而,这种认知能力背后的机制在很大程度上仍未得到研究,不同方法的使用限制了我们对其分类分布的理解。采用与生态学相关的开放扩散实验设计,我们测试了11只南方地犀鸟(Bucorvus leadbeateri)是否能够在双动作任务中表现出模仿。建立了三个实验组。在滑动和拉扯组中,受试者(“观察者”)观看训练有素的受试者(“演示者”)使用特定技术打开一个盒子。Naïve然而,控制组的个体没有得到社会示范。滑拉组的所有鸟都成功打开了盒子,而对照组的所有受试者都失败了。我们在一些观察者中发现了一致的个体间差异,只有两只鸟(每组一只)使用相同的技术和演示者接触的部分盒子。我们的研究结果表明,至少微调增强是这种新型模式物种行为扩散的基础,这为保护提供了新的研究机会。
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来源期刊
Learning & Behavior
Learning & Behavior 医学-动物学
CiteScore
2.90
自引率
5.60%
发文量
50
审稿时长
>12 weeks
期刊介绍: Learning & Behavior publishes experimental and theoretical contributions and critical reviews concerning fundamental processes of learning and behavior in nonhuman and human animals. Topics covered include sensation, perception, conditioning, learning, attention, memory, motivation, emotion, development, social behavior, and comparative investigations.
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