Results 21 to 30 of about 848,748 (280)
Fauna Norvegica, 1988 Grey and Common Seals in Troms county, northern Norway, were surveyed by boat during the summer 1987. A total of 419 Common Seals were recorded of which 63 or 14% were pups. The breeding season was dated to the second half of June.
Øystein Wiig
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Finescale topographical correlates of behavioural investment in offspring by female grey seals, Halichoerus grypus [PDF]
, 2000 Grey seals breed colonially on substrates ranging from ice to rocky or sandy beaches. Clear differences in seal behaviour patterns exist among such broad classes of breeding habitat.
Thomas, C.J. +9 more
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The diet and feeding ecology of harbour seals around Britain [PDF]
, 2015 Since 2000, there has been a marked decline in the number of harbour seals in some regions around Britain; one possible contributing cause is competition for prey with sympatric grey seals.
Wilson, Lindsay J.
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Fauna Norvegica, 1987 Grey and Common Seals in Sogn og Fjordane county, western Norway, were surveyed by boat during the summers 1985 and 1986. Thirteen Common Seal localities were recorded with a total count of 369 seals of which 53 or 14.4% were pups.
Øystein Wiig, Torger Øritsland
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Journal of Marine Science and Engineering, 2023 Underwater vocalisations of grey seals (Halichoerus grypus) were recorded by static acoustic monitoring (SM2M, Wildlife Acoustics) in the vicinity of a colony located at White Strand beach on Great Blasket Island, southwest Ireland during the pre ...
María Pérez Tadeo +2 more
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The pathology and occurrence of pathogens in Scottish grey seals (Halichoerus grypus). [PDF]
, 2014 Neonatal mortality in grey seals on the Isle of May breeding colony and in a rehabilitation centre were investigated by detailed systematic post-mortem examinations (n=59), on-site bacteriology and advanced molecular diagnostic techniques for specific ...
Baily, Johanna L.
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NAMMCO Scientific Publications, 2001 Prevalence and abundance of sealworm (Pseudoterranova decipiens) and other anisakid nematodes were determined in a variety of fishes from the Gulf of St. Lawrence in 1990 and 1992.
David J Marcogliese
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Nature, 1961 THE leading article in Nature on “The Grey Seal and British Fisheries”1, by relying on Rae's2 appendix, gives a wrong impression of our knowledge of the status of the grey seal (Halichoerus grypus) in British waters both now and in the past. There has in fact at no time been adequate information on which to base a reliable estimate of the total ...
openaire +1 more source
Foraging strategies in grey seals (Halichoerus grypus) : foraging effort and prey selection [PDF]
, 2009 Swimming speeds and prey selection of temporally captive, wild grey seals (Halichoerus grypus) were investigated in relation to prey characteristics in an experimental set-up at the Sea Mammal Research Unit (St Andrews, UK).
Gallon, Susan Louise
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A novel tool to mitigate by-catch mortality of baltic seals in coastal fyke net fishery.
PLoS ONE, 2015 Developing methods to reduce the incidental catch of non-target species is important, as by-catch mortality poses threats especially to large aquatic predators.
Sari M Oksanen +3 more
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