Ardea
Official journal of the Netherlands Ornithologists' Union

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Haverschmidt F. (1956) Vogelwaarnemingen op de Noordelijke Atlantische Oceaan. ARDEA 44 (4): 263-269
Bird records on two sea trips on the North Atlantic from Paramaribo (Surinam) to Amsterdam in April 1955 and from Amsterdam to Paramaribo in August and September 1955. In the Dutch text the records of the birds seen are given with the geographical position at noon and the regions of the North Atlantic as suggested by Nicholson (1950). The Greater Shearwater (Procellaria gravis) was not seen in April and in September the first on September 2 at 39 50' N, 23 W (Azores Seas). On September 3 (37o 11.5 'N, 27 14' W; Azores Seas) several more were observed also a 'raft' resting on the water, as was the case on September 4 (34 14' N, 31 08' W; Atlantis). All birds disappeared in a southern direction from which it is concluded that the homeward migration to their southern breeding places had started which is in accordance with the remarks of Rowan (1952). An adult Pomarine Skua (Stercorarius pomarinus) of the light phase was seen on April 19 at 30 52' N, 35 20' W (Atlantis). Of landbirds a Semipalmated Plover (Charadrius semipalmatus) flew aboard on September 11 (11 14.5' N, 51 43' W; Caribbean Approaches) and stayed till September 12 about 18.-, a couple of hours before the Light vessel 'Surinamriver' was reached. A few Ruddy Turnstones (Arenaria interpres) were seen on the same days. Barn Swallows (Hirundo rustica) were seen twice on September 12 flying SW at 13. - a single one (7 19' N, 54 02' W; Guiana's Seas) and 3 at 18.15 a few hours before reaching the Light vessel 'Surinamriver'.


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