Habitat characteristics and microhabitat of organisms pose a number of choices to foraging species, for example where and how to search for prey, which prey to select and what foraging technique to employ. Predators can enhance the profitability of foraging by adapting their strategies flexibly in relation to prey characteristics and environmental factors. To investigate the influence of rocky shore characteristics viz., condition of rock, position of limpet on the rock, stage of tide, and limpet opening technique of oystercatcher on the profitability of limpet foraging, a total of 193 attacks on limpets (Patella spp.) by Eurasian oystercatchers (Haematopus ostralegus) were made on Lundy Island, UK, using focal animal sampling. Multiple regression revealed that profitability was influenced by the condition of the rock and the limpet opening technique employed by oystercatchers. The profitability of the limpet opening technique appears to be associated with the condition of the rock. Oystercatchers forage by adapting their foraging strategy in accordance with the nature of the rocks i.e. wetness on which they are foraging.

生物的栖息地特征和微生境给觅食物种带来了许多选择，例如在哪里以及如何寻找猎物，选择哪种猎物以及采用哪种觅食技术。捕食者可以通过根据猎物特性和环境因素灵活地调整策略来提高觅食的获利能力。为了研究多岩石的海岸特征，即岩石的状况，在岩石上的帽贝的位置，潮汐的阶段以及牡蛎捕手的帽贝打开技术对帽贝觅食的获利能力的影响，总共进行了193次对帽贝的攻击（Pat骨属（Patella spp。 ）由欧亚蛎cat（Haematopus ostralegus））是通过重点动物采样在英国伦迪岛上制作的。多元回归显示，获利能力受制于牡蛎捕捞者的岩石状况和帽贝开口技术的影响。帽贝开口技术的获利能力似乎与岩石的状况有关。蛎cat通过根据岩石的性质（即在其上觅食的湿度）调整觅食策略来觅食。