Mass: 11.8 g
Latitudinal range: 10.3° to 64.9°Habitats: temperate broadleaf/mixed forest (7), boreal forest/taiga (2), tropical/subtropical dry broadleaf forest (2), tropical/subtropical moist broadleaf forest (3), temperate wetland (1)
Found in 15 samples
Belize: Hill Bank
Canada: Avalon Peninsula, Tantramar Marshes
Costa Rica: Finca La Bella
Guatemala: Puerto Barrios (mist netted birds)
Mexico: Santa Martha (second growth)
Nicaragua: Siuna (birds, secondary forest)
United States: La Salle Creek Bog, Sandrock Cliff (spring), Sandrock Cliff (fall), William Trelease Woods (gap, spring), Wateree, Creamer’s Field Migratory Waterfowl Refuge (fall), Laudholm Farm, Clayhead Preserve
| body mass | 11.8 g | (N = 0) |
See also Empidonax, Empidonax \"traillii complex\", Empidonax affinis, Empidonax albigularis, Empidonax alnorum, Empidonax difficilis, Empidonax euleri, Empidonax flavescens, Empidonax fulvifrons, Empidonax hammondii, Empidonax minimus, Empidonax oberholseri, Empidonax occidentalis, Empidonax sp., Empidonax trailii, Empidonax traillii, Empidonax virescens, Empidonax wrightii