This is copyright, because the photographer strapped cameras to the bird: http://en.wikipedia.org/wiki/Pigeon_photography
"A photograph of Schlosshotel Kronberg (then called Schloss Friedrichshof after its owner Kaiserin Friedrich) became famous due to its accidental inclusion of the photographer's wing tips. In a breach of copyright it was shown in German cinemas as part of the weekly newsreel in 1929.[16]"