P. Heppleston

The Comparative Breeding Ecology of Oyster-Catchers (Haematopus ostralegus L.) in Inland and Coastal Habitats

P. Heppleston, 1972 .

Life History and Population Fluctuations of Lymnaea truncatula (Mull), the Snail Vector of Fascioliasis

P. Heppleston, 1972 .

The Feeding Ecology of Oystercatchers (Haematopus ostralegus L.) in Winter in Northern Scotland

P. Heppleston, 1971 .

Correspondence: Oystercatcher bills

P. Heppleston, 1982 .

Anatomical observations on the bill of the Oystercatcher (Haematopus ostralegus occidentalis) in relation to feeding behaviour

P. Heppleston, 2009 .

Distribution of heavy metals in tissues of the common seal

R. Roberts, T. M. Roberts, P. Heppleston, 1976 .