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Observations on the ectoparasites of some Newfoundland passerines (Aves: Passeriformes)
A total of 144 birds (17 species) were mist-netted in June and July 1984 on the Avalon Peninsula, Newfoundland, and examined for ectoparasites; 139 birds (96.5%) of 17 species were found to beExpand
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Metazoan arasites of fish from the Smallwood Reservoir, Labrador, Canada
Three-hundred and thirty-two fish of eight species (5 Salmo salar, 68 Salvelinus fontinalis, 32 S. namaycush, 102 Coregonus clupeaformis, 1 Prosopium cylindraceum, 107 Esox lucius, 14 CatostomusExpand
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The helminth parasites of three species of gulls in Newfoundland.
  • W. Threlfall
  • Biology, Medicine
  • Canadian journal of zoology
  • 1 September 1968
Thirty-two great black-backed gulls (Larus marinus), 72 kittiwakes (Rissa tridactyla), and 1 glaucous gull (Larus hyperboreus) were examined for their helminth parasite burden during 1966 and 1967,Expand
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Some parasites from elasmobranchs in Newfoundland.
One blue shark (Prionace glauca (L.)), 107 spiny dogfishes (Squalus acanthias L.), and 17 thorny skates (Raja radiata Donovan) were examined for parasites during the period August 1967–August 1968.Expand
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Helminth parasites of alcids in the northwestern North Atlantic.
  • W. Threlfall
  • Biology, Medicine
  • Canadian journal of zoology
  • 1 April 1971
One thousand and one alcids of six species (Alca torda, Uria aalge, Uria lomvia, Plautus alle, Cepphus grylle, Fratercula arctica) were collected in the northwestern North Atlantic, during the periodExpand
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Metazoan parasites and food of short-tailed weasels and mink in Newfoundland, Canada
Forty short-tailed weasels (Mustela erminea Linnaeus, 1758) and 48 mink (Mustela vison Schreber, 1777) were collected, between January 1978 and February 1979, in three areas of insular NewfoundlandExpand
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Studies on the helminth parasites of the American herring gull (Larus argentatus Pont.) in Newfoundland
Four hundred and ten herring gulls (128 chicks and 282 "adults"), obtained in Newfoundland, Canada, were examined for their helminth burden during 1966 and 1967. A total of 35 species of helminthsExpand
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The Breeding Biology of the Herring Gull in Newfoundland
HERRING Gull (Larus argentatus) populations in Europe have undergone spectacular increases since 1930 (Voous 1960, Harris 1970), the species having extended its range (G•roudet 1968) and type ofExpand
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