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Topic: Calonectris


In the News (Sat 17 Aug 19)

  
  African Bird Club | main
Cory's Shearwater, Calonectris diomedea: In April 1992, 100 Calonectris shearwaters seen from the land and 241 at sea were identified as this species.
Cape Verde Shearwater, Calonectris edwardsii: This has traditionally been treated as a subspecies of Cory's Shearwater although it was originally described as a distinct species.
Calonectris shearwaters may feed up to 500 km from their breeding grounds&emdash;the nearest point in the Cape Verde archipelago, where this bird breeds, is 460 km away.
www.africanbirdclub.org /feature/senegal2.html   (2188 words)

  
 GENETIC VARIABILITY IN CORY'S SHEARWATER (CALONECTRIS DIOMEDEA)   (Site not responding. Last check: 2007-10-10)
WITT, H. Geschlechtsspezifische grosseunterschiede in einer westmediterranean population des gelbschnabelsturmtauchers (Calonectris diome- dea).
ZINO, P.A. The breeding of Cory's Shearwater Calonectris diomedea on the Selvage Islands.
XIstituto Nazionale di Biologia della Selvaggina, via Ca' Fornacetta 9, 40064 Ozzano dell'Emilia (Bo), Italy, and 2Istituto di Zoologia dell'Universitd, via Archiraft 18, 90123 Palermo, Italy THREE different subspecies of Cory's Shear- water are recognized: Calonectris diomedea di- omedea, restricted to the Mediterranean; C. d.
elibrary.unm.edu /sora/Auk/v106n03/p0411-p0417.html   (4545 words)

  
 Annotated List of the Seabirds of the World
Two Cory's Shearwaters (Calonectris diomedea borealis) photographed on 10 September 2000 off Desertas in the North Atlantic.
Granadeiro JP, Nunes M, Silva MC, Furness RW (1998) Flexible foraging strategy of Cory's shearwater, Calonectris diomedea, during the chick-rearing period.
(1998) Natal philopatry and close inbreeding in Cory1s Shearwater (Calonectris diomedea).
www.oceanwanderers.com /Corys.Shear.html   (461 words)

  
 split Ardenna from Puffinus
Of further relevance is the distances between the three Calonectris species and the two groups: to the Ardenna group mean 10.51% (SD 0.56); to the smaller Puffinus group mean 9.62% (SD 0.80).
Since the distances between Calonectris and the two groups approximates the distance between the two groups themselves, this is further evidence that the two groups should be differentiated at the generic level.
Wolters (1975-82) recognised two genera within the group of larger shearwaters (although griseus and tenuirostris remained in Puffinus): Ardenna Reichenbach 1853, to which he assigned gravis and carneipes, with creatopus as a subspecies; and Thyellodroma Stejneger 1888, to which he assigned pacificus and bulleri (1975-82: 36).
www.museum.lsu.edu /~remsen/SACCprop192.html   (1908 words)

  
 B-Mail(sm): ID-FRONTIERS for September 26-30, 2004
Massa & Lo Valvo 1986 Biometrical and biological considerations on the Cory's Shearwater Calonectris diomedea.
Of more interest to birders is that it has been proven in the last years that there is some exchange of birds between colonies of borealis (at least proven from Selvagem islands, between Madeira and Canary Islands) and the Mediterreanean colonies.
This September a colleague of mine is at El Hierro and La Palma islands and I hope she has taken some photographic material on the Calonectris of these underwatched Canary islands.
www.virtualbirder.com /bmail/idfrontiers/200409/w5   (3188 words)

  
 Rare Birds in Spain: Photos
To all those interested in the subject whose interest is putting forward the knowledge we have on these tubenoses.
Martínez-Abraín, A., Sánchez, A, and Oro, D. Atlantic Cory's shearwaters (Calonectris diomedea borealis) breeding in a colony of Mediterranean Cory's shearwaters (C.d.
Massa,B. and Lo Valvo (1986) Biometrical and biological considerations on the Cory's Shearwater Calonectris diomedea.
www.rarebirdspain.net /arbsi027.htm   (985 words)

  
 Senegal - Seabird species
Usually the most numerous subspecies of the Calonectris complex in October and November, but its occurrence is unpredictable.
For example, 5.800 Calonectris Shearwaters were seen off the Cap Vert peninsula on 10th-12th November 2001, with an estimated 95% Cory's Shearwaters and less than 5% Cape Verde Shearwaters.
The Swedish team could not positively identify a single bird as belonging to this subspecies in 2003.
senegal.seawatching.net /seabirds.html   (3039 words)

  
 Natal philopatry and close inbreeding in Cory's Shearwater (Calonectris diomedea) Auk, The - Find Articles   (Site not responding. Last check: 2007-10-10)
Natal philopatry and close inbreeding in Cory's Shearwater (Calonectris diomedea)
Curiously, however, only two cases of inbreeding have been reported for colonial waterbirds: Yellow-eyed Penguin (Megadyptes antipodes; Richdale 1957), and Mute Swan (Cygnus olor; Coleman et al.
Here, we report two cases of close inbreeding in Cory's Shearwater (Calonectris diomedea) documented during an 18-year study.
www.findarticles.com /p/articles/mi_qa3793/is_199804/ai_n8791779   (1028 words)

  
 Calonectris - Wikipedia, the free encyclopedia
Calonectris shearwaters come to islands and coastal cliffs only to breed.
They will follow fishing boats to take scraps.
A prehistoric species, Calonectris krantzi, has also been described from fossils.
en.wikipedia.org /wiki/Calonectris   (321 words)

  
 Birding in Malta
Cory`s Shearwater Calonectris diomedea, Short-toed Lark Calandrella brachydactyla and Blue Rock Thrush Monticola solitarius are the main breeding birds, while Purple Heron Ardea purpurea, European Honey Buzzard Pernis apivorus, Marsh Harrier Circus aeruginosus, Red-Footed Falcon Falco vespertinus, Eurasian Scops Owl Otus scops, Hoopoe Upupa epops, Black-eared Wheater Oenanthe hispanica can be encountered especially in spring.
In fact it is one of the main sites around the coast for the local birdwatchers to carry out migratory observations over the sea.
Different species are observed throughout the year but is ideal for Cory`s Shearwater Calonectris diomedea, Levantine Shearwater Puffinus yelkouan, Spoonbill Platalea leucorodia, Ferruginous Duck Aythya nyroca and Caspian Tern Sterna caspia.
www.camacdonald.com /birding/eumaltasiteguide.html   (806 words)

  
 Inter Research » MEPS » v166 » p267-276
Diet and feeding ecology of Cory's shearwater Calonectris diomedea in the Azores, north-east Atlantic
Cory's shearwater Calonectris diomedea is the most abundant pelagic seabird in the Azores archipelago.
We examined their diet in March and August.
www.int-res.com /abstracts/meps/v166/p267-276   (201 words)

  
 Birds of Nova Scotia - Cory's Shearwater   (Site not responding. Last check: 2007-10-10)
All plumages: A large shearwater with broad wings and heavy body; medium brown above, white below; dividing line between brown and white on the face and neck blurred, not crisp as in the Greater Shearwater; often has white uppertail coverts; bill yellow, noticeably long and stout.
Range The subspecies Calonectris diomedea borealis, recorded off eastern North America, nests from Portugal and the Azores to the Canary Islands.
Other subspecies breed in the Cape Verde archipelago and in the Mediterranean.
museum.gov.ns.ca /mnh/nature/nsbirds/bns0013.htm   (245 words)

  
 Cagarro (Calonectris diomedea borealis) on Flickr - Photo Sharing!
Todos os anos, por esta altura, encandeados pela iluminação pública e pelas luzes dos automóveis, dezenas de jovens cagarros (Calonectris diomedea borealis), como o da foto (captada hoje na zona do Pocinho, na ilha do Pico), durante as suas primeiras experiências de voo, desorientam-se, magoam-se e até morrem.
Entre Março e Outubro, os Açores são procurados por esta ave marinha para a respectiva nidificação, sendo mesmo considerados o mais importante local do mundo utilizado para o efeito.
Sign up for a free account, or sign in (if you're already a member).
www.flickr.com /photos/fmsbotelho/285679545   (150 words)

  
 Procellariidae - Wikispecies
The family Procellariidae has 14 genera and 82 species.
Genera: Aphrodroma - Bulweria - Calonectris - Daption - Fulmarus - Halobaena - Macronectes - Pachyptila - Pagodroma - Procellaria - Pseudobulweria - Pterodroma - Puffinus ;- Thalassoica
For more Multimedia, look at Procellariidae on Wikimedia Commons.
species.wikimedia.org /wiki/Procellariidae   (59 words)

  
 Mike Danzenbaker's Cory's Shearwater (Calonectris diomedea) Photo Page   (Site not responding. Last check: 2007-10-10)
Mike Danzenbaker's Cory's Shearwater (Calonectris diomedea) Photo Page
Please note that all content (including source) on this site is protected by copyright.
To return to this page, use your browser's "back" button or click on the species name in the list along the right side.
www.avesphoto.com /website/NA/species/SHWCOR.htm   (76 words)

  
 Annotated List of the Seabirds of the World - Shearwaters
As will be discussed below, the systematics of this group remains very complicated, although recent molecular analysis has shed new light on some of outstanding difficulties.
Note that the Calonectris shearwaters (Cory's, Cape Verde and Streaked Shearwaters) are considered separate from other shearwaters and are perhaps more closely related to the Procellaria (e.g.
I will group them here with Puffinus shearwaters simply because of the English names.
www.oceanwanderers.com /ShearwaterList.html   (883 words)

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