alder flycatcher isolate on white background

bird animal beak branch finch wing sparrow wildlife twig drawing hummingbird sketch blackbird robin pet alder_flycatcher alder flycatcher isolate white background small species commonly found north america distinctive call fitz-bew re-beer sound birds typically wetland areas feed insects prey olive-green plumage pale underparts short broad bills migratory parts depending season common populations declined years habitat loss environmental factors