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Storm-petrel may refer to one of two bird families, both in the order
Storm-petrel may refer to one of two bird families, both in the order Procellariiformes
Procellariiformes is an order of seabirds that comprises four families: the albatrosses, the petrels and shearwaters, and two families of storm petrels. Formerly called Tubinares and still called tubenoses in English, procellariiforms are oft ...
, once treated as the same family.
The two families are:
* Northern storm petrels (''Hydrobatidae'') are found in the Northern Hemisphere, although some species around the Equator
The equator is a circle of latitude, about in circumference, that divides Earth into the Northern and Southern hemispheres. It is an imaginary line located at 0 degrees latitude, halfway between the North and South poles. The term can also ...
dip into the south.
* Southern storm-petrels (Oceanitidae) are found in all oceans, although only white-faced storm petrel (breeding in the North Atlantic, in addition to the Southern Ocean) and Wilson's Storm-petrels (on migration) are found in the Northern Hemisphere.
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