Assertion: giant petrel | /r/CapableOf | form distinct subgroup
Facets:
value: including snow petrel
type: OTHER
value: within the procellariidae
type: OTHER
Source sentences:
text: Long considered to be conspecific (they were not established as separate species until 1966), the two species, the southern giant petrel, M. giganteus, and northern giant petrel, M. halli, are considered with the two fulmars, Fulmarus, to form a distinct subgroup within the Procellariidae, and including the Antarctic petrel, Cape petrel, and snow petrel, they form a separate group from the rest of the family.
text: Long considered to be conspecific (they were not established as separate species until 1966), the two species, the southern giant petrel, M. giganteus, and northern giant petrel, M. halli, are considered with the two fulmars, Fulmarus, to form a distinct subgroup within the Procellariidae, and including the Antarctic petrel, Cape petrel, and snow petrel, they form a separate group from the rest of the family.