Illustrations by W. S. Coleman from British Birds’ Eggs and Nests, Popularly Described by Rev. J. C. Atkinson, author of Walks and Talks, and Play Hours and Half Holidays. George Routledge and Son, London, 1870. For more, see the Biodiversity Library at https://www.biodiversitylibrary.org/item/54531#page/7/mode/1up
