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<table border="1" cellspacing="0" align="right" cellpading="2"> <table border="1" cellspacing="0" align="right" cellpading="2">
<tr><th align="center" bgcolor=pink>'''Gadfly Petrels'''</th></tr> <tr><th align="center" bgcolor=pink>'''Gadfly Petrels'''</th></tr>
</td></tr> <tr><td></td></tr>
<tr><th align="center" bgcolor=pink>''']'''</th></tr> <tr><th align="center" bgcolor=pink>]</th></tr>
<tr><td> <tr><td>
<table align="center"><tr><td>]:</td><td>]ia </td></tr> <table align="center"><tr><td>]:</td><td>]ia </td></tr>
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<tr><td>]:</td><td>]</td></tr> <tr><td>]:</td><td>]</td></tr>
<tr><td>]:</td><td>]</td></tr> <tr><td>]:</td><td>]</td></tr>
<tr><td>]&dagger;:</td><td>]</td></tr> <tr><td>]:</td><td>]</td></tr>
<tr><td>]:</td><td>'''''Pterodroma'''''</td></tr>
</table> </table>
</td></tr> </td></tr>
<tr><td><table align="center" width="100%"> <tr><th align="center" bgcolor=pink>]</th></tr>
<tr><td>30, see text.
<tr><th align="center" bgcolor=pink>]</th></tr>
<tr><td> </th></tr></table>

''Pterodroma''
⚫ The '''gadfly petrels''' are ]s in the ] order ]. These medium to large ]s feed on food items picked from the ocean surface.
<tr><td align="center">&dagger; See also ],]<br>
] ]</td></tr>
</td></tr></table>
</table>
⚫ The ''' gadfly petrels ''' are ]s in the ] order ''Procellariiformes''. These medium to large ]s feed on food items picked from the ocean surface.


The short, sturdy bills of the 30 ''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. 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.


Their complex wing and face marking are probably for interspecific recognition. Their complex wing and face marking are probably for interspecific recognition.
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The species are: The species are:
* Great-winged Petrel, <i>Pterodroma macroptera</i> * ], ''Pterodroma macroptera''
* Mascarene Petrel, <i> Pterodroma aterrima</i> * ], '' Pterodroma aterrima''
* Tahiti Petrel, <i> Pterodroma rostrata</i> * ], '' Pterodroma rostrata''
* White-headed Petrel, <i> Pterodroma lessonii</i> * ], '' Pterodroma lessonii''
* ], <i> Pterodroma hasitata</i> * ], '' Pterodroma hasitata''
* Bermuda Petrel, <i> Pterodroma cahow</i> * ], '' Pterodroma cahow''
* Atlantic Petrel, <i> Pterodroma incerta</i> * ], '' Pterodroma incerta''
* Phoenix Petrel, <i> Pterodroma alba</i> * ], '' Pterodroma alba''
* Mottled Petrel, <i> Pterodroma inexpectata</i> * ], '' Pterodroma inexpectata''
* Providence Petrel, <i> Pterodroma solandri</i> * ], '' Pterodroma solandri''
* Kerguelen Petrel, <i> Pterodroma brevirostris</i> * ], '' Pterodroma brevirostris''
* Murphy's Petrel, <i> Pterodroma ultima</i> * ], '' Pterodroma ultima''
* Kermadec Petrel, <i> Pterodroma neglecta</i> * ], '' Pterodroma neglecta''
* Magenta Petrel, <i> Pterodroma magentae</i> * ], '' Pterodroma magentae''
* Herald Petrel, <i> Pterodroma arminjoniana</i> * ], '' Pterodroma arminjoniana''
* ], <i> Pterodroma mollis</i> * ], '' Pterodroma mollis''
* ], <i> Pterodroma feae</i> * ], '' Pterodroma feae''
* ] or '''Madeira Petrel''', <i> Pterodroma madeira</i> * ] or '''Madeira Petrel''', '' Pterodroma madeira''
* Barau's Petrel, <i> Pterodroma baraui</i> * ], '' Pterodroma baraui''
* Dark-rumped Petrel, <i> Pterodroma phaeopygia</i> * ], '' Pterodroma phaeopygia''
* Juan Fernandez Petrel, <i> Pterodroma externa</i> * ], '' Pterodroma externa''
* White-necked Petrel, <i> Pterodroma cervicalis</i> * ], '' Pterodroma cervicalis''
* Cook's Petrel, <i> Pterodroma cookii</i> * ], '' Pterodroma cookii''
* Mas a Tierra Petrel, <i> Pterodroma defilippiana</i> * ], '' Pterodroma defilippiana''
* Gould's Petrel, <i> Pterodroma leucoptera</i> * ], '' Pterodroma leucoptera''
* Bonin Petrel, <i> Pterodroma hypoleuca</i> * ], '' Pterodroma hypoleuca''
* Black-winged Petrel, <i> Pterodroma nigripennis</i> * ], '' Pterodroma nigripennis''
* Chatham Petrel, <i> Pterodroma axillaris</i> * ], '' Pterodroma axillaris''
* Stejneger's Petrel, <i> Pterodroma longirostris</i> * ], '' Pterodroma longirostris''
* Pycroft's Petrel, <i> Pterodroma pycrofti</i> * ], '' Pterodroma pycrofti''
* Fiji Petrel <i> Pterodroma macgillivrayi</i> * ] '' Pterodroma macgillivrayi''

Revision as of 17:35, 7 February 2004

Gadfly Petrels
Scientific classification
Kingdom:Animalia
Phylum:Chordata
Class:Aves
Order:Procellariiformes
Family:Procellariidae
Genus:Pterodroma
Species
30, see text.

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 30 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: