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Ramphocaenus rufiventris
(Long-billed gnatwren), species, birds
Nucleotide Protein
Polioptila bilineata
(White-browed gnatcatcher), species, birds
Microbates collaris
species, birds
Microbates cinereiventris
(Tawny-faced gnatwren), species, birds
Microbates
genus, birds
Polioptila plumbea
(tropical gnatcatcher), species, birds
Ramphocaenus melanurus
Ramphocaenus
Polioptilinae
subfamily, birds
Polioptila nigriceps
Polioptila melanura
Polioptila californica
Polioptila caerulea
Polioptila albiloris
Polioptila
Polioptila californica margaritae
subspecies, birds
Polioptila californica pontilis
Polioptila nigriceps nigriceps
Polioptila caerulea amoenissima
Polioptila caerulea mexicana
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