By Richard Crossley - The Crossley ID Guide Britain and Ireland, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=29447707
Sources:(*) https://en.wikipedia.org/wiki/Common_quail
(*) https://ebird.org/species/comqua1
(*) https://search.macaulaylibrary.org/catalog?taxonCode=comqua1