Books:

1. Perspectives in Ornithology: Essays Presented for the Centennial of the American Ornithologists Union - Alan H. Brush (Editor), George A. Clark Jr. (Editor)
2. Foraging: behavior and ecology , David W. Stephens, Joel Steven Brown, Ronald C. Ydenberg, University of Chicago Press Ltd, London, 2007.
    

Journals:

1. Huey, R. B. and E. R. Pianka. Ecological consequences of foraging mode. Ecology 62: 991-999,1981
2. MacArthur, R. H. and E. R. Pianka. On optimal use of a patchy environment. Amer. Natur. 100: 603-609,1966.
3. Eric L Charnov.Optimal foraging, the marginal value theorem.Theorectical population biology,9(2),1976
4. Graham H. Pyke. Optimal Foraging Theory: A Critical Review. Ann. Rev. Ecol. Syst.15(523-75), 1984.

Webliography:

1. http://uts.cc.utexas.edu/~varanus/foraging.html
2. http://www.mendeley.com/research/optimal-foraging-theory-marine-context-3/