aquilonal
boreal

aurora
aurora boreal

bico-duro-boreal
Pinicola enucleator

boreal
boreal

chapim-boreal
Boreal Chickadee

felosa-boreal
Phylloscopus borealis

fulmar-boreal
Fulmarus glacialis

juruviara-boreal
Vireo olivaceus

mariquita-aquática-boreal
Parkesia noveboracensis

mariquita-boreal
Parkesia noveboracensis

mocho-funéreo
Boreal Owl

pia-cobra-boreal
Geothlypis trichas

picanço-boreal
Lanius borealis

pintarroxo-boreal
Acanthis hornemanni

piuí-boreal
Contopus cooperi

tagarela-boreal
Bombycilla garrulus