Blue-grey Gnatcatcher

Subspecies (8)

• Polioptila caerulea caerulea

  breeds southeastern Canada to central and eastern USA; winters to Central America

• Polioptila caerulea caesiogaster

  Bahamas

• Polioptila caerulea comiteca

  central Mexico to northwestern Guatemala

• Polioptila caerulea cozumelae

  Cozumel (off Yucatan Peninsula)

• Polioptila caerulea deppei

  eastern and southeastern Mexico and Belize

• Polioptila caerulea nelsoni

  southern Mexico (Guerrero to Oaxaca and southern Chiapas)

• Polioptila caerulea obscura

  breeds western USA to southern Baja California (northwestern Mexico); winters to southern Mexico

• Polioptila caerulea perplexa

  east-central Mexico