Polioptila nigriceps – Wikispecies
Species: Polioptila nigriceps. Subspecies: P. n. nigriceps  – P. n. restricta … Review of American birds in the museum …
species.wikimedia.org/wiki/Polioptila_nigriceps
CONCERNING SOME POLIOPTILAE OF THE WEST COAST OF MIDDLE AMERICA
… Polioptila bairdi Ridgway, Polioptila nigriceps nigriceps Baird and Polioptila nigriceps restricta … from superciliaris, a conc lusion previously reached by Carriker (Birds …
www.bio-nica.info/Biblioteca/VanRossem1931.pdf
Exotic Bird DNA Sexing | Avian Sex Determination
DNA Testing Services for Avian Species, Bird DNA Sexing, Cockateel Sexing … Black-capped Gnatcatcher : Polioptila nigriceps: Black-capped Lory: Lorius lory lory
www.vetdnacenter.com/bird-dna-sexing.html
Sylviidae
Polioptila. albiloris, caerulea, dumicola, guinensis, lactea, lembeyei, melanura, nigriceps, plumbea, schistaceigula — Gnatcatcher … natalensis, nigrloris, njombe, pipiens, restricta …
www.innvista.com/science/zoology/birds/sylviida.htm
Perlitas
… RÃo Tana: Tana River Cisticola: Cisticola restricta … Black-headed Tailor Bird: Orthotomus nigriceps: Samar Tailor Bird … Perlita Sinaloense: Black-capped Gnatcatcher: Polioptila nigriceps
www.damisela.com/zoo/ave/pajaros/passeri/sylviidae/index.htm
Bird Collection Holdings – Family MUSCICAPIDAE
BIRD COLLECTION HOLDINGS OF THE NATURAL HISTORY MUSEUM OF LOS ANGELES COUNTY. FAMILY MUSCICAPIDAE (Broken down to Country and State)
www.nhm.org/research/ornithology/holdings/MUSCICAP.HTM
Sheet1
336: Pale-vented Pigeon Patagioenas cayennensis palidicrissa : 337: Red-billed Pigeon Patagioenas flavirostris flavirostris; P.f.madrensis; P.f.restricta
www.printablebirdchecklists.homestead.com/files/MexicoSP.xls
www.birddoctorhousecalls.com
Phaethon aethereus Red-billed Tropic Bird. Phaethon lepturus White-tailed Tropic Bird … Choriotis nigriceps Great Indian Bustard. Eupodotis afra Black Bustard. Eupodotis caerulescens …
www.birddoctorhousecalls.com/AvianSpecies.txt
INDEX TO VOLUME 56
… Toro, Miguel, notes on the occurrence of birds … 13, 215 Podilymbus podiceps, 209 Polioptila caerulea amoenissima, 157 caerulea mexicana, 90 nigriceps, 22 nigriceps restricta, 30 Pooecetes …
elibrary.unm.edu/sora/Condor/files/issues/v056n06/p0368-p0380.pdf
Sheet1
258: Gnatcatcher, Black-capped Polioptila nigriceps : 259: Gnatcatcher, Black-tailed Polioptila melanura : 260: Gnatcatcher, Blue-grey Polioptila caerulea …
printablebirdchecklists.homestead.com/files/Mexico.xls