This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Naumann II. . Panurus biarmicus Bartmeise altes Weibchen und altes Mnnchen junges Mnnchen Natri Grsse II Illustration biodiversitylibrary org title Hennicke Carl Richard Naumann Johann Andreas Naumann Johann Andreas Naumann Johann Friedrich NameFound Panurus biarmicus NameConfirmed Panurus biarmicus EOLID NameBankID