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Dialect change in resident killer whales: implications for vocal learning and cultural transmission
Variation in vocal signals among populations and social groups of animals provides opportunities for the study of the mechanisms of behavioural change and their importance in generating andExpand
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Quantifying complex patterns of bioacoustic variation: use of a neural network to compare killer whale (Orcinus orca) dialects.
TLDR
A quantitative measure of acoustic similarity is crucial to any study comparing vocalizations of different species, social groups, or individuals. Expand
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The vocal behaviour of mammal-eating killer whales: communicating with costly calls
The cost of vocal behaviour is usually expressed in energetic terms; however, many animals may pay additional costs when predators or potential prey eavesdrop on their vocal communication. TheExpand
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Automated categorization of bioacoustic signals: avoiding perceptual pitfalls.
  • V. Deecke, V. Janik
  • Computer Science, Medicine
  • The Journal of the Acoustical Society of America
  • 8 April 2005
TLDR
Dividing the acoustic repertoires of animals into biologically relevant categories presents a widespread problem in the study of animal sound communication, essential to any comparison of repertoires between contexts, individuals, populations, or species. Expand
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Killer whales (Orcinus orca) produce ultrasonic whistles.
This study reports that killer whales, the largest dolphin, produce whistles with the highest fundamental frequencies ever reported in a delphinid. Using wide-band acoustic sampling from bothExpand
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Selective habituation shapes acoustic predator recognition in harbour seals
Predation is a major force in shaping the behaviour of animals, so that precise identification of predators will confer substantial selective advantages on animals that serve as food to others.Expand
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The structure of stereotyped calls reflects kinship and social affiliation in resident killer whales (Orcinus orca)
A few species of mammals produce group-specific vocalisations that are passed on by learning, but the function of learned vocal variation remains poorly understood. Resident killer whales live inExpand
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The diving behaviour of mammal-eating killer whales (Orcinus orca): variations with ecological not physiological factors
Mammal-eating killer whales (Orcinus orca (L., 1758)) are a rare example of social predators that hunt together in groups of sexually dimorphic adults and juveniles with diverse physiological divingExpand
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Grey seals use anthropogenic signals from acoustic tags to locate fish: evidence from a simulated foraging task
Anthropogenic noise can have negative effects on animal behaviour and physiology. However, noise is often introduced systematically and potentially provides information for navigation or preyExpand
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KILLER WHALES, WHALING, AND SEQUENTIAL MEGAFAUNAL COLLAPSE IN THE NORTH PACIFIC: A COMPARATIVE ANALYSIS OF THE DYNAMICS OF MARINE MAMMALS IN ALASKA AND BRITISH COLUMBIA FOLLOWING COMMERCIAL WHALING
The hypothesis that commercial whaling caused a sequential megafaunal collapse in the North Pacific Ocean by forcing killer whales to eat progressively smaller species of marine mammals is notExpand
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