File:Heilmann Fig140.jpg
The author died in 1946, so this work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 75 years or fewer.
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
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The original description page was here. All following user names refer to en.wikipedia.
| Date/Time | Dimensions | User | Comment |
|---|---|---|---|
| 16:44, 5 February 2011 | 900 × 426 (131,189 bytes) | w:en:Ferahgo the Assassin (talk | contribs) | {{Information |Description = Gerhard Heilmann's comparative illustrations of the hindlimbs of various immature birds and one reptile: four-day old squab of white-winged dove (1), detail of same showing pelvic wing (2), squabs of domestic pigeon, four |
