This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: cropped on four sides centering on the birds. The original can be viewed here: Ptyonoprogne rupestris flock.jpg: . Modifications made by
Snowmanradio.
I, the copyright holder of this work, hereby publish it under the following license:
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the
same or compatible license as the original.
{{Information |Description={{en|1=Crag Martin ''Ptyonoprogne rupestris'' (syn. ''Hirundo rupestris'') on building roof in Alcobaça, Portugal.}} |Source=*
File:Ptyonoprogne_rupestris_flock.jpg |Date=2010-04-14 10:25 (UTC) |Author=*[[:File:Ptyonoprog
File usage
The following pages on the English Wikipedia use this file (pages on other projects are not listed):