https://vls.wikipedia.org/wiki/Periparus
Periparus - Wikipedia
wikipedia
https://ceb.wikipedia.org/wiki/Periparus_ater
Periparus ater - Wikipedia
periparus aterwikipedia
https://animal.depo.msu.ru/open/public/item/99257516
R-93262, Parus Periparus ater, specimen
periparus aterspecimen