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- Publications
- Influence
The biology of Ixodes (Ceratixodes) uriae White, 1852 in Newfoundland.
- E. S. Eveleigh, W. Threlfall
- Biology, Medicine
- Acarologia
- 1 April 1975
Observations on the ectoparasites of some Newfoundland passerines (Aves: Passeriformes)
- T. Wheeler, W. Threlfall
- Biology
- 1 March 1986
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 be… Expand
Metazoan arasites of fish from the Smallwood Reservoir, Labrador, Canada
- V. C. Chinniah, W. Threlfall
- Biology
- 1 August 1978
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 Catostomus… Expand
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
Some parasites from elasmobranchs in Newfoundland.
- W. Threlfall
- Biology
- 1 April 1969
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
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 period… Expand
Metazoan parasites and food of short-tailed weasels and mink in Newfoundland, Canada
- D. Jennings, W. Threlfall, Donald G. Dodds
- Biology
- 1 February 1982
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 Newfoundland… Expand
Studies on the helminth parasites of the American herring gull (Larus argentatus Pont.) in Newfoundland
- W. Threlfall
- Biology
- 1 November 1968
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 helminths… Expand
The Breeding Biology of the Herring Gull in Newfoundland
- W. Threlfall
- Biology
- 1 October 1975
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 of… Expand