Title: Albino clutch of moor frog Rana arvalis – a rare observation from Poland


Kaczmarski, Mikołaj ; Kaczmarek Jan M.

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Albino clutch of moor frog ; Albinotyczny skrzek żaby moczarowej – rzadka obserwacja z Polski


Muzeum i Instytut Zoologii Polskiej Akademii Nauk

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24 cm


Moor frog Rana arvalis is widespread in Poland and its geographic range spans from Central Europe up to Siberia, but any records of albinism are rare in the species. Freshly laid albino spawn of moor frogs was observed during nocturnal fieldwork near the village of Lubosz, north-western Poland, in spring 2016. We noted the further development of eggs, but no albino tadpoles nor metamorphs were found later during the season. Both albinism and transient albinism have been noted in the species, this being the first observation from Poland. Atypical pigmentation impairs cryptic function of body colouring and might affect survival. The observation comes from a large frog population in a relatively undisturbed habitat, and thus it adds to the body of literature concerning the background level of abnormalities in amphibian populations.


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oai:rcin.org.pl:67174 ; ISSN 0015-9301, eISSN 2391-5846


MiIZ PAN, call no. P.4664 ; MiIZ PAN, call no. P.256 ; click here to follow the link




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Library of the Museum and Institute of Zoology of the Polish Academy of Sciences

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Operational Program Digital Poland, 2014-2020, Measure 2.3: Digital accessibility and usefulness of public sector information; funds from the European Regional Development Fund and national co-financing from the state budget.

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Sep 12, 2019

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Dec 4, 2018

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