Conservation of marine birds of northern North America: / papers from the international symposium held at the Seattle Hyatt House

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Pearson, T. H. 1968. The feeding biology of sea-bird species breeding on the Farne Islands, Northumberland. J. Anim. Ecol. 37:521-552.

Pennycuick, C. J. 1960. Gliding flight of the fulmar petrel. J. Exp. Biol. 37:330-338.

Porter, W. P., and D. M. Gates. 1969. Thermodynamic equilibria of animals with environment. Ecol. Monogr. 39:227-244.

Potts, G. R. 1968. Influence of eruptive movements, age, population size and other factors on the survival of the shag. J. Anim. Ecol. 37:53-102.

Potts, G. R. 1971. Moult in the shag Phalacrocorax aristotelis, and the ontogeny of the "Staffelmauser." Ibis 113:298-305.

Preston, F. W., and E. J. Preston. 1953. Variation of the shapes of birds eggs within the clutch. Ann. Carnegie Mus. 33:129-139.

Preston, W. C. 1968. Breeding ecology and social behavior of the black guillemot, Cepphus grylle. Ph.D. Thesis. Univ. of Michigan, Ann Arbor.

Pulliam, H. R. 1974. On the theory of optimal diets. Am. Nat. 108:59-74.

Richardson, F. 1961. Breeding biology of the rhinoceros auklet on Protection Island, Washington. Condor 63:456-473.

Ricklefs, R. E. 1968. Patterns of growth in birds. Ibis 110:419-451.