I know who did it.
Thank you for the post.

si simple et pourtant si beau ! magnifique idée et réalisation

[...] die nicht niedlich? Und dabei müsste eine Karte mit den Blätter-Vögeln schnell gemacht sein [...]

[...] they cute? And a card with these leaves birds should be quick to make [...]

I do this all the time. I am part of group of leaf huggers.

He has a very cool blog here: http://javierjaen.blogspot.com/

Also using google image search really makes it much more simple to find sources these days. I use it for my photos to see who is using them, and also on Tumblr to make sure I don’t post duplicate content http://www.google.com/insidesearch/searchbyimage.html