A large-scale survey of bird plumage colour aberrations reveals a collection bias in Internet-mined photographs

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11310%2F21%3A10418192" target="_blank" >RIV/00216208:11310/21:10418192 - isvavai.cz</a>

Alternative codes found

RIV/60460709:41330/20:82155 RIV/60460709:41330/21:82155

Result on the web

<a href="https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=CpNWoPudZN" target="_blank" >https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=CpNWoPudZN</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1111/ibi.12872" target="_blank" >10.1111/ibi.12872</a>

Result language

angličtina

Original language name

A large-scale survey of bird plumage colour aberrations reveals a collection bias in Internet-mined photographs

Original language description

Birds with plumage colour aberrations are of interest to both the general public and scientists. However, due to their rarity in nature, information on the presence of colour aberrations is rarely found in the peer-reviewed literature. Exploration of public observations using modern information technologies such as Internet-based search engines could facilitate cost-effective and rapid broad-scale collection of data on phenotypic aberrations in animals but may also be prone to the same problems as fieldwork, including systematic collection bias. We used Google Images and also asked birdwatchers and ornithologists, via naturalists&apos; forums and social media, to collate a unique dataset of photographs of 936 aberrantly coloured birds of 74 species from Poland. Phylogenetically informed analyses, which included species both with and without reported colour aberrations, revealed that the number of colour aberrations was higher in species with larger populations in Poland, those with larger body size, and those associated with human settlements. Colour aberrations were also more often reported for species with a wider habitat breadth and those which do not migrate over long distances. Habitat openness and diet type were not related to the number of colour aberrations across species in multivariate models. Our study emphasizes not only the power of novel sources to collect large datasets on relatively rare phenotypic aberrations in animals but also the importance of vigilance when using data mined from public sources because the observed patterns may reflect collection bias rather than the nature of the studied phenomena.

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

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OECD FORD branch

10613 - Zoology

Project

—

Continuities

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2021

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Ibis

ISSN

0019-1019

e-ISSN

—

Volume of the periodical

163

Issue of the periodical within the volume

2

Country of publishing house

GB - UNITED KINGDOM

Number of pages

13

Pages from-to

566-578

UT code for WoS article

000570879100001

EID of the result in the Scopus database

2-s2.0-85091020031