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Diets and feeding of Fulmars Fulmarus glacialis during the breeding season:a comparison between St Kilda and Shetland colonies
Furness, R.W.; Todd, C.M. (1984). Diets and feeding of Fulmars Fulmarus glacialis during the breeding season:a comparison between St Kilda and Shetland colonies. Ibis 126(3): 379–387. hdl.handle.net/10.1111/j.1474-919X.1984.tb00259.x
In: Ibis. British Ornithologists' Union/Wiley: London. ISSN 0019-1019, more
Peer reviewed article  

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Keywords
    Fulmarus glacialis (Linnaeus, 1761) [WoRMS]; British Isles, Scotland, Shetland [Marine Regions]; Marine

Authors  Top 
  • Furness, R.W.
  • Todd, C.M.

Abstract
    Diets and nest attendance of Fulmars at Foula, Shetland and St Kilda, Outer Hebrides were examined during the breeding season. At Foula, sandeels formed the bulk of the diet, with fish offal and pelagic zooplankton of minor importance. At St Kilda, 71% of regurgitates consisted of pelagic zooplankton, probably captured at night. Dietary overlap between the two colonies was 14% by species composition. Foraging trips from Foula shortly after chick hatching generally lasted for less than 10 h, while trips from St Kilda late in chick rearing often lasted more than 24 h. The diurnal pattern of feeding suggested mainly nocturnal foraging from St Kilda but both diurnal and nocturnal foraging from Foula.

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