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Bombycilla garrulus
Acrocephalus arundinaceus
4
Acrocephalus palustris
4
Acrocephalus scirpaceus
4
Aegithalos caudatus
4
Alauda arvensis
4
Anthus campestris
4
Anthus spinoletta
4
Anthus trivialis
4
Asio otus
4
Cinclus cinclus
4
Coracias garrulus
4
Corvus cornix
4
Cuculus canorus
4
Emberiza citrinella
4
Falco vespertinus
4
Fringilla coelebs
4
Ixobrychus minutus
4
Linaria cannabina
4
Locustella luscinioides
4
Luscinia luscinia
4
Luscinia megarhynchos
4
Merops apiaster
4
Muscicapa striata
4
Panurus biarmicus
4
Passer domesticus
4
Passer hispaniolensis
4
Passer montanus
4
Periparus ater
4
Phasianus colchicus
4
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DataCite Metadata Store (German National Library of Science and Technology)
3
OhioLINK: Ohio Digital Resource Commons (DRC)
2
Zenodo
2
The Canadian Field-Naturalist (E-Journal)
1
The University of Utah: J. Willard Marriott Digital Library
1
University of Michigan, Museum of Zoology: Animal Diversity Web
1
Unknown
1
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