Claude Marie Jules Bourcier (19 February 1797 – 9 March 1873) was a French naturalist and expert on hummingbirds.
[3] He was the mayor of Millery, Rhône from 1832 to 1837, and he was the French consul to Ecuador from 1849 to 1850.
[1] Bourcier named a number of new hummingbird species, either alone or with other ornithologists, such as Adolphe Delattre and Martial Etienne Mulsant.
The following hummingbird species bear his name: A species of South American snake, Saphenophis boursieri, was named in his honor by Giorgio Jan in 1867.
[4] The terrestrial mollusk genus Bourciera was named after him, based on specimens he collected for Louis Pfeiffer.