Competitive abilities of oystercatchers (Haematopus ostralegus) occupying territories of different quality
In territorial species, habitat heterogeneity results in some individuals occupying poor quality sites while others occupy high quality sites. Floaters (mature nonbreeders) may accept a low quality territory, because it is the best they can get and defend ('inferior phenotype hypothesis'), or because it is a strategic alternative for a high quality territory in the long run ('queue hypothesis'). Oystercatcher Haematopus ostralegus territories differ consistently in the amount of offspring...[Show more]
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|Source:||Journal of Ornithology|
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