List of birds of New England

The following is a list of birds of New England. (I) Introduced - a species introduced to North America by the actions of humans (E) Extinct - a recent species that no longer exists (Ex) Extirpated - a species formerly present in New England which still exists elsewhere (C) Casual - a species that is irregularly found in New England but is not particularly rare (R) Review list - birds that if seen require more comprehensive documentation than regularly seen species.

Source: Wikipedia — List of birds of New England (CC BY-SA 4.0)