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Results of the best model describing the influence of activity parameters on foraging success in three heron species
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The composition of assemblages, diet and behavior of waterbird species with similar ecological features are important aspects in the functioning of aquatic ecosystems. Closely related animal species often share resources such as space and food in ways that reduce competition, but if the diets of different species strongly overlap, interspecific com...
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Context 1
... models set up on the basis of Akaike's information criterion (AIC) included only 2 of the 4 variables that could be important in an analysis of foraging success (Table 1). However, the best model showed that only the movement index was significant, as this had a positive impact on individual foraging success (Table 2). ...Similar publications
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Citations
... Foraging is unique among behaviours in that it yields a net energy gain for the individual (Lescroël et al. 2010, Bonter et al. 2013. Consequently, significant attention has been focused on understanding the time spent foraging within the overall time budget (Sotillo et al. 2019, Kasprzykowski & Golawski 2024. Optimal foraging theory has predominantly been studied in 'active foraging species' (e.g. ...
... A distinct difference between an FPV and an island is the lack of a littoral zone, or sloping shoreline, surrounding the FPV infrastructure. In fact, the absence of a littoral zone could provide access to an entirely new foraging area away from the shoreline-the open water limnetic zone-and different prey species for waterbirds that typically forage along the shoreline, such as herons and egrets 40,46 . Another difference is that FPV infrastructure may be occasionally visited by humans for maintenance, which could potentially disturb waterbirds and alter their natural behaviours. ...
