Editing Petrel (section)

==Description==
Petrels are a [[monophyletic]]<ref name=monophyly>{{ cite journal | last1=Prum | first1=R.O. | author1-link=Richard Prum | last2=Berv | first2=J.S. | last3=Dornburg | first3=A. | last4=Field | first4=D.J. | last5=Townsend | first5=J.P. | last6=Lemmon | first6=E.M. | last7=Lemmon | first7=A.R. | year=2015 | title=A comprehensive phylogeny of birds (Aves) using targeted next-generation DNA sequencing | journal=Nature | volume=526 | issue=7574 | pages=569–573 | doi=10.1038/nature15697 | pmid=26444237 | bibcode=2015Natur.526..569P | s2cid=205246158 | doi-access= }}</ref> group of marine seabirds, sharing a characteristic of a nostril arrangement that results in the name "tubenoses".<ref>{{cite web |title=Petrels and Shearwaters {{!}} Bird Family Overview |url=https://www.rspb.org.uk/birds-and-wildlife/wildlife-guides/bird-a-z/petrels-and-shearwaters/ |website=The RSPB}}</ref> Petrels encompass three of the four extant families within the Procellariiformes order, namely [[Procellariidae]] (fulmarine petrels, gadfly petrels, diving petrels, prions, and shearwaters), [[Hydrobatidae]] (northern storm petrels), and [[Oceanitidae]] (austral storm petrels). The remaining family in Procellariiformes is the [[albatross]] family, Diomedeidae.

{{Cladogram
|caption=Phylogeny of the extant procellariforms based on a study by Richard Prum and colleagues published in 2015.<ref name=monophyly></ref> Petrels (Procellariidae, Hydrobatidae, and Oceanitidae) form a monophyletic group according to this cladogram.
|align=center
|cladogram={{Clade| style=font-size:90%;line-height:90%;width:460px;
|label1=Procellariiformes
|1={{clade
   |1=[[Diomedeidae]] – albatrosses (21 species)
   |2={{clade
      |1=[[Oceanitidae]] – austral storm petrels (10 species)
      |2={{clade
         |1=[[Hydrobatidae]] – northern storm petrels (18 species)
         |2=[[Procellariidae]] – petrels and shearwaters (100 species)
      }}
   }}
 }}
}}
}}