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Gadfly petrel: Difference between revisions

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Revision as of 13:54, 3 November 2005 editViriditas (talk | contribs)Autopatrolled, Extended confirmed users, Pending changes reviewers169,994 edits Pterodroma sandwichensis has separated from P. phaeopygia http://www.findarticles.com/p/articles/mi_qa3793/is_200207/ai_n9136825← Previous edit Revision as of 14:00, 3 November 2005 edit undoViriditas (talk | contribs)Autopatrolled, Extended confirmed users, Pending changes reviewers169,994 editsm 30->32Next edit →
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30, see text. 32, see text.
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The '''gadfly petrels''' are ]s in the ] order ]. These medium to large ]s feed on food items picked from the ocean surface. The '''gadfly petrels''' are ]s in the ] order ]. These medium to large ]s feed on food items picked from the ocean surface.


The short, sturdy bills of the 30 '''''Pterodroma''''' ] in this group are adapted for soft prey taken at the surface; they have twisted intestines for digesting marine animals which have unusual biochemistries. The short, sturdy bills of the 32 '''''Pterodroma''''' ] in this group are adapted for soft prey taken at the surface; they have twisted intestines for digesting marine animals which have unusual biochemistries.


Their complex wing and face marking are probably for interspecific recognition. Their complex wing and face marking are probably for interspecific recognition.

Revision as of 14:00, 3 November 2005

Template:Taxobox begin Template:Taxobox image Template:Taxobox begin placement Template:Taxobox regnum entry Template:Taxobox phylum entry Template:Taxobox classis entry Template:Taxobox ordo entry Template:Taxobox familia entry Template:Taxobox genus entry
Bonaparte, 1856 Template:Taxobox end placement Template:Taxobox section subdivision 32, see text. Template:Taxobox end The gadfly petrels are seabirds in the bird order Procellariiformes. These medium to large petrels feed on food items picked from the ocean surface.

The short, sturdy bills of the 32 Pterodroma species in this group are adapted for soft prey taken at the surface; they have twisted intestines for digesting marine animals which have unusual biochemistries.

Their complex wing and face marking are probably for interspecific recognition.

These birds nest in colonies on islands and are pelagic when not breeding. One white egg is laid usually in a burrow or on open ground. They are nocturnal at the breeding colonies.

The species are:

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