Journals:

1. Graham H. Pyke. Optimal Foraging Theory: A Critical Review. Ann. Rev. Ecol. Syst.15(523-75), 1984.
2. Huey, R. B. and E. R. Pianka. Ecological consequences of foraging mode. Ecology 62: 991-999, 1981.
3.  Inon Scharf, Einat Nulman, Ofer Ovadia, and Amos Bouskila, Efficiency Evaluation of Two Competing Foraging Modes under Different Conditions, vol. 168, no. 3 The American Naturalist, September 2006.
4. Marguerite A. Butler, Foraging mode of the chameleon, Bradypodion pumilum: a challenge to the sit-and-wait versus active forager paradigm?, Biological Journal of the Linnean Society, 2005, 84, 797–808, 2004

Webliography:

1. http://uts.cc.utexas.edu/~varanus/foraging.html