* Bakalar, Nicholas, [http://news.nationalgeographic.com/news/2005/12/1201_051201_archaeopteryx.html Earliest Bird Had Feet Like Dinosaur, Fossil Shows], National Geographic News, [[1 December]] [[2005]] | * Bakalar, Nicholas, [http://news.nationalgeographic.com/news/2005/12/1201_051201_archaeopteryx.html Earliest Bird Had Feet Like Dinosaur, Fossil Shows], National Geographic News, [[1 December]] [[2005]] |