Observations of pelagic seabirds in the waters offshore Suriname

Observations of pelagic seabirds in the waters offshore Suriname

Category

Technology

Available online

5 May 2014

Found in Edition

2014, Volume 5, 474-491

Format

Full-length paper
The pelagic seabird fauna inhabiting the waters offshore Suriname has hardly been described. Here we provide records for the occurrence of 18 pelagic seabird species. At least three of the observed seabird species represent new state records: Yellow-nosed Albatross Thalassarche chlororhynchos, Band-rumped Storm-Petrel Oceanodroma castro and Red-footed Booby Sula sula. Another previously undocumented seabird in Suriname observed during this survey was Bulwer’s Petrel Bulweria bulwerii, although this species was not verified by photographic evidence. An additional four seabird species represent the first verified at-sea photographic records for Suriname: Audubon’s Shearwater Puffinus lherminieri, Red-billed Tropicbird Phaethon aethereus, Masked Booby Sula dactylatra and Pomarine Jaeger Stercorarius pomarinus. The seabird temporal distribution and foraging concentrations of seabirds are presented for the period 20 May – 24 July 2012. Strip-transect seabird counts 13 June to 24 July 2012 revealed that the offshore seabird community in Suriname is best described as primarily a surface-feeding community, dominated by plunge-diving shearwaters. The overall seabird abundance was low 0.59 birds/km which is consistent for tropical equatorial offshore waters. The results highlight an increase both in the relative abundance and diversity of seabirds and the mortality amongst shearwaters in late June/early July. We recommend that more monitoring be carried out in order to gain a better understanding of the status of the different seabird species that occur in this tropical equatorial offshore region.

Subject

Seabirds

Keywords

Guianas, Suriname, seabirds, shearwaters, distribution, surface feeding

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ABOUT THE AUTHORS

Marijke N. de Boer (2)

Wageningen IMARES, Institute for Marine Resources and Ecosystem Studies, Den Burg, Texel, The NetherlandsSeven Seas Marine Consultancy, Delft, The Netherlands

Andy C. Williams (1)

Seven Seas Marine Consultancy, Delft, The Netherlands

James T. Saulino (1)

Seven Seas Marine Consultancy, Delft, The Netherlands
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