_Vermivora celata celata_: Eastern orange-crowned warbler 89 Habits 89 Distribution 94 _Vermivora celata orestera_: Rocky Mountain orange-crowned warbler 98 Habits 98 _Vermivora celata lutescens_: Lutescent orange-crowned warbler 99 Habits 99 _Vermivora celata sordida_: Dusky orange-crowned warbler 103 Habits 103 _Vermivora ruficapilla ruficapilla_: Eastern Nashville warbler 105 Habits 105 Distribution 113 _Vermivora ruficapilla ridgwayi_: Western Nashville warbler 116 Habits 116 _Vermivora virginiae_: Virginia's warbler 119 Habits 119 Distribution 124 _Vermivora crissalis_: Colima warbler 126 Habits 126 Distribution 129 _Vermivora luciae_: Lucy's warbler 129 Habits 129 Distribution 134 _Parula americana pusilla_: Northern parula warbler 135 Habits 135 Distribution 145 _Parula americana americana_: Southern parula warbler 147 Habits 147 _Parula pitiayumi nigrilora_: Sennett's olive-backed warbler 149 Habits 149 Distribution 152 _Parula graysoni_: Socorro warbler 152 Habits 152 Distribution 153 _Peucedramus taeniatus arizonae_: Northern olive warbler 153 Habits 153 Distribution 160