Darwin’s finches habitually anoint their feathers with leaves of the endemic tree<i>Psidium galapageium</i>during the non‐breeding season

Tebbich, Sabine; Schwemhofer, Timo; Fischer, Barbara; Pike, Courtney

doi:10.1111/eth.13153

Cited by 3 publications

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References 86 publications

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“…Oliveira and Bshary (2021) propose to include interspecific relationships into social behaviour, and Bender (2021) outlines the potential for ethology to improve the evolutionary understanding of human medical problems. Original Research papers ask whether naked mole rats express caste differentiation (Siegmann et al, 2021), whether rats are aware of the ability of partners to reciprocate food donations (Schweinfurth, 2021), propose novel imaging techniques in the study of sociality (Jungwirth et al, 2021), show how collective actions can lead to diversification of behaviours (Green et al, 2021) and illustrate the importance of the early social environment for learning abilities in cichlids (Fischer et al, 2021) and later life attraction to conspecific odours (Schneeberger & Eccard, 2021). Tebbich et al, (2021) provides the first quantitative account of selfanointment in birds.…”

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confidence: 99%

“…Original Research papers ask whether naked mole rats express caste differentiation (Siegmann et al, 2021), whether rats are aware of the ability of partners to reciprocate food donations (Schweinfurth, 2021), propose novel imaging techniques in the study of sociality (Jungwirth et al, 2021), show how collective actions can lead to diversification of behaviours (Green et al, 2021) and illustrate the importance of the early social environment for learning abilities in cichlids (Fischer et al, 2021) and later life attraction to conspecific odours (Schneeberger & Eccard, 2021). Tebbich et al, (2021) provides the first quantitative account of self‐anointment in birds. Two Species‐in‐the‐Spotlight articles provide comprehensive insights into the social systems and sociality of crotophagine cuckoos (Riehl, 2021) and vampire bats (Carter, 2021).…”

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The Evolution of Social Behaviour

Taborsky

2021

Ethology

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confidence: 99%

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confidence: 99%

The Evolution of Social Behaviour

Taborsky

2021

Ethology

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Evaluating Volatile Plant Compounds of Psidium galapageium (Myrtales: Myrtaceae) as Repellents Against Invasive Parasitic Diptera in the Galapagos Islands

Martina

Krenn

Krupicka

et al. 2021

Journal of Medical Entomology

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Plant-based repellents represent a safe, economic, and viable alternative to managing invasive insects that threaten native fauna. Observations of self-medication in animals can provide important cues to the medicinal properties of plants. A recent study in the Galapagos Islands found that Darwin’s finches apply the leaves of Psidium galapageium (Hooker 1847) to their feathers, extracts of which were repellent to mosquitoes and the parasitic fly Philornis downsi (Dodge & Aitkens 1968; Diptera: Muscidae). Introduced mosquitoes are suspected vectors of avian pathogens in the Galapagos Islands, whereas the larvae of P. downsi are blood-feeders, causing significant declines of the endemic avifauna. In this study, we investigated the volatile compounds found in P. galapageium, testing each against a model organism, the mosquito Anopheles arabiensis (Patton 1905; Diptera: Culicidae), with the aim of singling out the most effective compound for repelling dipterans. Examinations of an ethanolic extract of P. galapageium, its essential oil and each of their respective fractions, revealed a mixture of monoterpenes and sesquiterpenes, the latter consisting mainly of guaiol, trans-nerolidol, and β-eudesmol. Of these, trans-nerolidol was identified as the most effective repellent to mosquitoes. This was subsequently tested at four different concentrations against P. downsi, but we did not find a repellence response. A tendency to avoid the compound was observed, albeit significance was not achieved in any case. The lack of repellence suggests that flies may respond to a combination of the volatile compounds found in P. galapageium, rather than to a single compound.

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Darwin’s finches habitually anoint their feathers with leaves of the endemic treePsidium galapageiumduring the non‐breeding season

et al. 2021

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Darwin’s finches habitually anoint their feathers with leaves of the endemic treePsidium galapageiumduring the non‐breeding season

Abstract: This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

Cited by 3 publications

References 86 publications

The Evolution of Social Behaviour

The Evolution of Social Behaviour

Evaluating Volatile Plant Compounds of Psidium galapageium (Myrtales: Myrtaceae) as Repellents Against Invasive Parasitic Diptera in the Galapagos Islands

Darwin’s finches habitually anoint their feathers with leaves of the endemic treePsidium galapageiumduring the non‐breeding season

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