image is a derivative work of the following images: File:Circus_hudsonius_male_plumage.jpg licensed with Cc-by-2.0 2010-03-04T13:39:04Z Toter Alter Mann...
com/photos/67446336@N00/3076591962/ operator: Flickr URL: https://live.staticflickr.com/3220/3076591962_e30f3dc9b9_o.jpg determination method or standard: SHA-1...
identification of the birds of woodland, beach and ocean. With one hundred and twenty-four line illustrations (IA everybirdguideto00howe) (page 2 crop).jpg...
