America = Virginia, USA.
DNA data indicate that this is sister-species to I. abeillei. Formerly treated as conspecific with latter and I. bullockiorum; hybridizes extensively with I. bullockiorum in a belt from S Canada (Alberta and Saskatchewan) S in Great Plains to S USA (Oklahoma and Texas), but assortative mating (or selection against hybrids) evident at several locations. Monotypic.
S Canada from NE British Columbia and Alberta E to S Ontario, S Quebec and Nova Scotia, S in C & E USA to N Texas, C Mississippi, NW Georgia, W Virginia and N Delaware; winters mostly in Florida, coastal California (rare), Cuba and Jamaica, and Mexico S to N Colombia and Venezuela.
Food and feeding
Status and conservation
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