https://creativecommons.org/publicdomain/zero/1.0/ https://www.rawpixel.com/image/325756 Gray heron (Ardea cinerea) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of…

Gray heron (Ardea cinerea) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of Svenska Fåglar Efter Naturen Och Pa Sten Ritade.

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