Francisco Piedrahita:
American Goldfinch (Spinus tristis) (Carduelis tristis)
Francisco Piedrahita:
American Goldfinch (Spinus tristis) (Carduelis tristis)
Francisco Piedrahita:
American Goldfinch (Carduelis tristis)
Francisco Piedrahita:
Black-headed Siskin (Spinus notatus) (Carduelis notata)
Francisco Piedrahita:
Antillean Siskin (Spinus dominicensis) (Carduelis dominicensis)
Francisco Piedrahita:
Black-headed Siskin (Spinus notatus) (Carduelis notata forreri)
Francisco Piedrahita:
Black-headed Siskin (Spinus notatus) (Carduelis notata forreri)
Francisco Piedrahita:
Red Crossbill (Loxia curvirostra) (Loxia curvirostra sitkensis)
Francisco Piedrahita:
Red Crossbill (Loxia curvirostra) (Loxia curvirostra sitkensis)
Francisco Piedrahita:
Hispaniolan Crossbill (Loxia megaplaga)
Francisco Piedrahita:
Gray-crowned Rosy-finch, Grey-crowned Rosy-finch (Leucosticte tephrocotis)
Francisco Piedrahita:
Pine Siskin (Spinus pinus) (Carduelis pinus)
Francisco Piedrahita:
Pine Siskin (Carduelis pinus)
Francisco Piedrahita:
Arctic Redpoll, Hoary Redpoll (Acanthis hornemanni) (Acanthis flammea hornemanni ) (Carduelis hornemanni)
Francisco Piedrahita:
Common Redpoll, Redpoll (Acanthis flammea) (Carduelis flammea)
Francisco Piedrahita:
Common Redpoll, Redpoll (Acanthis flammea) (Carduelis flammea)
Francisco Piedrahita:
House Finch (Carpodacus mexicanus)
Francisco Piedrahita:
House Finch (Carpodacus mexicanus) (Haemorhous mexicanus)
Francisco Piedrahita:
House Finch (Carpodacus mexicanus)
Francisco Piedrahita:
House Finch (Haemorhous mexicanus) (Carpodacus mexicanus)
Francisco Piedrahita:
House Finch (Haemorhous mexicanus) (Carpodacus mexicanus)
Francisco Piedrahita:
House Finch (Carpodacus mexicanus)
Francisco Piedrahita:
House Finch (Carpodacus mexicanus)
Francisco Piedrahita:
Pine Grosbeak (Pinicola enucleator) (Pinicola enucleator leucura)
Francisco Piedrahita:
Pine Grosbeak (Pinicola enucleator) (Pinicola enucleator leucura)
Francisco Piedrahita:
Pine Grosbeak (Pinicola enucleator) (Pinicola enucleator leucura)
Francisco Piedrahita:
Pine Grosbeak (Pinicola enucleator) (Pinicola enucleator leucura)
Francisco Piedrahita:
Pine Grosbeak (Pinicola enucleator)
Francisco Piedrahita:
Hispaniolan Euphonia (Euphonia musica)
Francisco Piedrahita:
Hispaniolan Euphonia (Euphonia musica)
