Probable Eskimo Curlew on Galveston Island, Texas

Williams, George G.

doi:10.2307/4082333

Cited by 4 publications

(1 citation statement)

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“…More recently, Mamaev (1959) recorded D. undula from the Eskimo Curlew, Numenius borealis (Forster), in eastern Siberia. This is a most interesting record; not only is it the first of D. undula from a charadriiform bird but the host species is believed to be on the verge of extinction, and one of the few undoubted sightings of this bird during the last thirty-five years was reported by Williams (1959) in Texas. The destruction and disappearance of the Eskimo Curlew, which once rivalled the now extinct Passenger Pigeon in its immense numbers, has been described in detail by Swenk (1916) and Bent (1929).…”

Section: Effect Of the Cestodes On The Host Birdmentioning

confidence: 87%

The infection of the gullsLarus argentatusPont.,L. fuscus L.andL. marinusL. with Cestoda on the coast of Wales

Williams

Harris

1965

Parasitology

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An account is given of the incidence and intensity of infection of the gulls Larus argentatus Pont., L. fuscus L., and L. marinus L. with Cestoda on the coast of Wales. Eleven species of cestodes were found in the three species of gulls, nine in L. argentatus, eight in L. fuscus and six in L. marinus. Nine new host records and two new British records are listed.The presence of the cestode parasites did not appear to be harmful to the birds.Ecological and systematic notes are given on each of the cestode species. The basic cestode fauna of L. argentatus, L. fuscus and L. marinus on the coast of Wales comprised three species, namely Tetrabothrius cylindraceus (Rud.), T. erostris (voennberg) and Anomotaenia micracantha (Krabbe).The factors influencing the intensity and incidence of infection are considered and it is concluded that infection is determined mainly by the food and feeding habits of the host. It is shown that the number of cestodes per bird may be represented by a negative binomial distribution. There is some evidence to suggest that high intensities of infection were associated with high incidences. Three main stages in the development of the helminth-fauna of gulls are described and are related to the age and activity of the bird.It is a pleasure to record our personal thanks to those to whom we are indebted, namely the Nature Conservancy and the West Wales Naturalists' Trust for permission to work on Skomer Island, to Mr D. R. Saunders, Warden of Skomer Island, for help in the collection of some of the Great Black-backed Gulls, to Mr P. Hope Jones who collected the gulls from Malltraeth, and to Professor J. G. Baer, Departement de Zoologie, Université de Neuchâtel, Professor W. E. Kershaw, Department of Parasitology and Entomology, University of Liverpool, and Mr Stephen Prudhoe, British Museum (Natural History), for the loan of specimens, and to Mr M. D. B. Burt, Department of Natural History, University of St Andrews, for identifying the specimens of Paricterotaenia paradoxa.The participation of one of us (M. P. H.) in this work was made possible through the generous assistance of a D.S.I.R. research studentship, which is gratefully acknowledged.

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Section: Effect Of the Cestodes On The Host Birdmentioning

confidence: 87%