Tropical Parula Parula pitiayumi
The apparent hybridization of Tropical and Northern parulas in Texas, and the possibility of a correction to the illustrations in the Sibley Guides, is discussed in a post here: Parula hybrids
The apparent hybridization of Tropical and Northern parulas in Texas, and the possibility of a correction to the illustrations in the Sibley Guides, is discussed in a post here: Parula hybrids