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21 tits, chickadees, and titmice species
Poecile atricapillus
Poecile rufescens
Baeolophus bicolor
Poecile hudsonicus
Poecile gambeli
Baeolophus inornatus
Baeolophus ridgwayi
Parus major
Lophophanes cristatus
Cyanistes caeruleus
Sittiparus varius
Parus cinereus
Poecile sclateri
Cyanistes cyanus
Poecile cinctus
Baeolophus wollweberi
Baeolophus atricristatus
Poecile palustris
Poecile montanus
Poecile carolinensis
Periparus ater
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