Mail of the author : "il s'agit bien de ma photo, donc pas de probleme pour Wiki...[...] Va pour Attribution share alike 2.5...Si vous avez besoin d'autres photo ornitho, ce sera avec plaisir pour mes copains ornithos, naturalistes ou moi-meme ( je suis administrateur de la Ligue de protection des oiseaux de Franche-Comte aussi)"
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.