Confronting assumptions about prey selection by lunge-feeding whales using a process-based model

Ellen Chenoweth, Kevin Boswell, Ari Friedlaender, Megan McPhee, Julia Burrows, Ron Heintz & Jan Straley
The relative energetic benefits of foraging on one type of prey rather than another are not easily measured, particularly for large free-ranging predators. Nonetheless, assumptions about preferred and alternative prey are frequently made when predicting how a predator may impact its environment, adapt to environmental change, or interact with human activities. We developed and implemented a process-based model to investigate the potential energetic benefit (PEB) of in situ foraging opportunities in rorqual whales. The model...
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