The
fulmarine petrels or
fulmar-petrels are a distinct group of
petrels within the
Procellariidae family. They are the most variable of the four groups within the Procellariidae, differing greatly in size and biology. They do have, however, have a unifying feature, their skull, and in particular their nasal tubes. They are predominantly found in the
Southern Ocean with one species, the
northern fulmar, ranging in the
North Pacific and
Atlantic Oceans.