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Increasing numbers of harbour seals and grey seals in the Solent [PDF]

open access: yesEcology and Evolution, 2021
Harbour seals (Phoca vitulina) and grey seals (Halichoerus grypus) both occur within the UK, but display regional contrasting population trends. While grey seals are typically increasing in number, harbour seals have shown varying trends in recent ...
Sarah A. Marley
exaly   +9 more sources

Heartworms in Halichoerus grypus: first records of Acanthocheilonema spirocauda (Onchocercidae; Filarioidea) in 2 grey seals from the North Sea [PDF]

open access: yesParasitology, 2023
The assumed definitive host of the heartworm Acanthocheilonema spirocauda (Onchocerdidae; Filarioidea) is the harbour seal (Phoca vitulina). This filaroid nematode parasitizing in cardiac ventricles and blood vessel lumina of harbour seals (P.
Kristina Lehnert   +7 more
doaj   +2 more sources

Temporal and Geographical Variation of Intestinal Ulcers in Grey Seals (Halichoerus grypus) and Environmental Contaminants in Baltic Biota during Four Decades [PDF]

open access: yesAnimals, 2021
The prevalence of intestinal ulcers and parasites was investigated in 2172 grey seals (Halichoerus grypus) collected in the Baltic Sea and 49 grey seals collected outside the Baltic Sea (i.e., the Atlantic).
Bäcklin Britt-Marie   +4 more
doaj   +2 more sources

Trophic niche overlap between sympatric harbour seals (Phoca vitulina) and grey seals (Halichoerus grypus) at the southern limit of their European range (Eastern English Channel) [PDF]

open access: yesEcology and Evolution, 2021
Sympatric harbour (Phoca vitulina) and grey seals (Halichoerus grypus) are increasingly considered potential competitors, especially since recent local declines in harbour seal numbers while grey seal numbers remained stable or increased at their ...
Yann Planque   +5 more
doaj   +2 more sources

After the bite: bacterial transmission from grey seals (Halichoerus grypus) to harbour porpoises (Phocoena phocoena) [PDF]

open access: yesRoyal Society Open Science, 2020
Recent population growth of the harbour porpoise (Phocoena phocoena), grey seal (Halichoerus grypus) and common seal (Phoca vitulina) in the North Sea has increased potential interaction between these species.
Maarten J. Gilbert   +7 more
doaj   +2 more sources

Endoparasites in Grey Seals (Halichoerus grypus) By-Caught in Latvian Commercial Coastal Fishery [PDF]

open access: yesAnimals
The grey seal (Halichoerus grypus) is a fish-eating mammal and an apex predator in the Baltic Sea. It serves as the definitive host for several parasite species that utilize fish as intermediate or paratenic hosts.
Maija Selezņova   +8 more
doaj   +2 more sources

Occurrence of Microplastics in Harbour Seals (Phoca vitulina) and Grey Seals (Halichoerus grypus) from German Waters [PDF]

open access: yesAnimals, 2022
The level of knowledge on microplastic exposure in marine mammals is limited by the access to dead and alive individuals. Focusing on the Northeast Atlantic area, some studies already confirmed the microplastic presence in free-ranging marine mammals ...
Carolin Philipp   +2 more
doaj   +2 more sources

Emergence of the Zoonotic Biliary Trematode Pseudamphistomum truncatum in Grey Seals (Halichoerus grypus) in the Baltic Sea. [PDF]

open access: yesPLoS ONE, 2016
The biliary trematode Pseudamphistomum truncatum parasitizes a wide range of fish-eating mammals, including humans. Here we report the emergence of this parasite in grey seals (Halichoerus grypus) in the Baltic Sea. One hundred eighty-three of 1 554 grey
Aleksija S Neimanis   +7 more
doaj   +2 more sources

Bite injuries of grey seals (Halichoerus grypus) on harbour porpoises (Phocoena phocoena). [PDF]

open access: yesPLoS ONE, 2014
Bite-like skin lesions on harbour porpoises (Phocoena phocoena) have been suspected to be caused by grey seals (Halichoerus grypus), and a few field observations have been reported.
Thierry Jauniaux   +9 more
doaj   +2 more sources

Spatial Overlap of Grey Seals and Fisheries in Irish Waters, Some New Insights Using Telemetry Technology and VMS. [PDF]

open access: yesPLoS ONE, 2016
Seals and humans often target the same food resource, leading to competition. This is of mounting concern with fish stocks in global decline. Grey seals were tracked from southeast Ireland, an area of mixed demersal and pelagic fisheries, and overlap ...
M Cronin, H Gerritsen, D Reid, M Jessopp
doaj   +2 more sources

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