derivative work of the following images: File:Ptyonoprogne obsoleta, Cairo 1.jpg licensed with Cc-by-sa-2.0 2008-11-04T11:43:32Z File Upload Bot (Magnus...
(Ptyonoprogne fuligula) Author Lip Kee Yap from Singapore, Republic of Singapore Other versions Derivative works of this file: Ptyonoprogneobsoleta 1 cropped.jpg...
