Francisco Piedrahita:
California Gnatcatcher (Polioptila californica)
Francisco Piedrahita:
Blue-gray Gnatcatcher (Polioptila caerulea)
Francisco Piedrahita:
Blue-gray Gnatcatcher (Polioptila caerulea)
Francisco Piedrahita:
Cuban Gnatcatcher (Polioptila lembeyei)