FOOD SIZE AND AGGRESSIVE INTERACTIONS BETWEEN TWO SPECIES OF GULLS: AN EXPERIMENTAL APPROACH TO RESOURCE PARTITIONING |
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| Authors: | David Cameron Duffy Stephen Heseltine Graeme D. La Cock |
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| Affiliation: | Percy Fitz Patrick Institute of African Ornithology, University of Cape Town , Rondebosch, 7700, South Africa |
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| Abstract: | Duffy, D. C., Heseltine, S. & La Cock, G. D. 1987. Food size and aggressive interactions between two species of gulls: an experimental approach to resource partitioning. Ostrich 58: 164–167. In feeding experiments with different sizes offish, Hartlaub's Gulls Larus hartlaubi reached prey first, but lost larger items to the larger, dominant Kelp Gull L. dominicanus. Hartlaub's Gulls took longer than Kelp Gulls to consume prey of the same size. |
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