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Résumé :
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We report the first records of Long-tailed Skua Stercorarius longicaudus and Cape Verde Shearwater Calonectris edwardsii in Gambian territorial waters, and four observations of Sabine's Gull Xema sabini including the first for the country in 2004. A bird that was either Scopoli's Shearwater Calonectris diomedea or Cory's Shearwater C. borealis was observed, along with the first live Sooty Shearwater Puffinus griseus for the country, and a Brown Booby Sula leucogaster ringed on Boa Vista, Cape Verde Islands. Offshore sightings of Great Skua Catharacta skua and Roseate Tern Sterna dougallii are also reported. Excepting two land-based records for each of Sabine's Gull and Roseate Tern, all observations were made from fishing vessels sailing 10-20 nautical miles off the south Gambian coast, during 2019-2022. Recent geolocator studies provide information on the migratory movements in the east Atlantic of the three new additions plus Great Skua and Roseate Tern.
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