Blake, E. R. (1950) Birds of the Acary Mountains of Southern British Guiana
Gordon, K. (1932) Sex of incubating Killdeer
Lea, R. B.,E. P. Edwards (1951) A nest of the Rufous-breasted Spinetail in Mexico
Wetherbee, K. B., (Mrs.) (1932) Nesting Bluebirds successful in spite of Protocalliphora
GBIF Backbone Taxonomy. doi:10.15468/39omei
Accessed via http://www.gbif.org/species/5289 on 2016-08-25
This backbone name usage is included because it was found in another checklist at the time the backbone was built. The primary source name usage (121102198) has since been removed from the portal.
This record was last modified on Jul 25, 2016.