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Petrochelidon
genus, birds
Nucleotide Protein
Tachycineta
Hirundo rustica
(Barn swallow), species, birds
Hirundo
Hirundinidae
(swallows), family, birds
Hirundo rustica rustica
subspecies, birds
Hirundo nigrita
species, birds
Hirundo dimidiata
Hirundo smithii
Hirundo atrocaerulea
Hirundo albigularis
Hirundo neoxena
Hirundo tahitica
Hirundo angolensis
Hirundo aethiopica
Petrochelidon fulva
Tachycineta bicolor
(Tree swallow), species, birds
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