Tumbes Swallow     Tachycineta stolzmanni
(Philippi)   1902
nw Peru: Tumbes to La Libertad
split from: Tachycineta albilinea
insert after: Tachycineta albilinea
Mark B. Robbins, Gary H. Rosenberg, Francisco Sornoza Molina & Marco A. Jácome,
Taxonomy and nest description of the Tumbes Swallow (Tachycineta [alibilinea] stolzmanni)
in Ornithological Monographs 48, Studies in Neotropical Ornithology honoring Ted Parker (1997), 609-612
 

Cave Swallow     Petrochelidon pelodoma
(Brooke)   1974
sw U.S.A.: s Arizona, se New Mexico, Texas s to; n Mexico: e Durango, Zacatecas, San Luis Potosí & w Tamaulipas
split from: Petrochelidon fulva
insert after: Petrochelidon fulva
O.H. Garrido, A. Townsend Peterson & O. Komar,
Geographic variation and taxonomy of the Cave Swallow (Petrochelidon fulva) complex, with the description of a new subspecies from Puerto Rico
Bulletin B.O.C. 119, 2 (1999): 80-91