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To minimize foraging time, use high-efficiency, energy-expensive search and capture methods when food is abundant but low-efficiency, low-cost methods during food shortages.

Autor: Norberg RÅ; Department of Biological and Environmental Sciences, Zoology University of Gothenburg Goteborg Sweden.

Publikováno v: Ecology and evolution [Ecol Evol] 2021 Dec 02; Vol. 11 (23), pp. 16537-16546. Date of Electronic Publication: 2021 Dec 02 (Print Publication: 2021).

Evolution of enlarged body size of coal tits Parus ater in geographic isolation from two larger competitors, the crested tit Parus cristatus and the willow tit Parus montanus, on six Scandinavian islands.

Autor: Norberg RÅ; Department of Biological and Environmental Sciences - Zoology, University of Gothenburg, Gothenburg 40530, Sweden ake-norberg@bredband.net lindhe.hvoslef@comhem.se., Lindhe Norberg UM; Department of Biological and Environmental Sciences - Zoology, University of Gothenburg, Gothenburg 40530, Sweden.

Publikováno v: Biology open [Biol Open] 2015 Oct 21; Vol. 4 (11), pp. 1490-508. Date of Electronic Publication: 2015 Oct 21.