Baird's junco (''Junco bairdi'') is a

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

junco A junco , genus ''Junco'', is a small North American bird in the New World sparrow family Passerellidae. Junco systematics are still confusing after decades of research, with various authors accepting between three and twelve species. Despit ...

, a group of small, grayish

New World sparrow New World sparrows are a group of mainly New World passerine birds, forming the family Passerellidae. They are seed-eating birds with conical bills, brown or gray in color, and many species have distinctive head patterns. Although they share t ...

s. It is endemic to the forests in the

Sierra de la Laguna The Sierra de la Laguna is a mountain range at the southern end of the Baja California Peninsula in Mexico, and is the southernmost range of the Peninsular Ranges System. It is located in La Paz Municipality and Los Cabos Municipality of sout ...

mountain range of the southern Baja California Peninsula in

Mexico Mexico (Spanish: México), officially the United Mexican States, is a country in the southern portion of North America. It is bordered to the north by the United States; to the south and west by the Pacific Ocean; to the southeast by Guatema ...

. It was previously considered a subspecies (one of five) of the

yellow-eyed junco The yellow-eyed junco (''Junco phaeonotus'') is a species of junco, a group of small New World sparrows. Its range is primarily in Mexico, extending into some of the mountains of the southern tips of the U.S. states of Arizona and New Mexico. It ...

(''Junco phaeonotus''). Baird's junco is one of several species of birds named for

Spencer Fullerton Baird Spencer Fullerton Baird (; February 3, 1823 – August 19, 1887) was an American naturalist, ornithologist, ichthyologist, Herpetology, herpetologist, and museum curator. Baird was the first curator to be named at the Smithsonian Institution. He ...

, an American ornithologist and naturalist.

References

*Chesser, R.T., K.J. Burns, C. Cicero, J.L. Dunn, A.W. Kratter, I.J. Lovette, P.C. Rasmussen, J.V. Remsen, Jr., J.D. Rising, D.F. Stotz, and K. Winker. 2017. Fifty-eighth supplement to the American Ornithological Society's Check-list of North American birds. Auk 134: 751–773. *Friis, G., P. Aleixandre, R. Rodriguez-Estrella, A.G. Navarro-Sigüenza, and B. Milá. 2016. Rapid postglacial diversification and long-term stasis within the songbird genus Junco: phylogeographic and phylogenomic evidence. Molecular Ecology 25: 6175–6195. *Milá, B., P. Aleixandre, S. Alvarez-Nordström, and J. McCormack. 2016. More than meets the eye: lineage diversity and evolutionary history of dark-eyed and yellow-eyed juncos. Pages 179–198 in E.D. Ketterson and J.W. Atwell (editors), Snowbird. University of Chicago Press, Chicago. *Pieplow, N.D., and C.D. Francis. 2011. Song differences among subspecies of Yellow-eyed Juncos (''Junco phaeonotus''). Wilson Journal of Ornithology 123: 464–471. {{Taxonbar, from=Q31872941

Baird's junco Baird's junco (''Junco bairdi'') is a species of junco, a group of small, grayish New World sparrows. It is endemic to the forests in the Sierra de la Laguna mountain range of the southern Baja California Peninsula in Mexico Mexico (Spani ...

Birds of Mexico

Endemic birds of Mexico Taxa named by Robert Ridgway