ArticleFrontiers in zoology2018
Raven food calls indicate sender's age and sex.
Article in Frontiers in zoology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Variability and individuality in the contact calls of jackdaws (Corvus monedula).Animal cognition · 2025Article
- Challenges and new opportunities in deciphering the meaning of corvid call sequences.Animal cognition · 2025Review
- Why are ravens smart? Exploring the social intelligence hypothesis.Journal of ornithology · 2024Review
- Social dynamics impact scolding behaviour in captive groups of common ravens (Corvus corax).Frontiers in zoology · 2022Article
- Waste Disposal Sites as All-You-Can Eat Buffets for Carrion Crows (Animals : an open access journal from MDPI · 2019Article
- What constitutes "social complexity" and "social intelligence" in birds? Lessons from ravens.Behavioral ecology and sociobiology · 2019Review
- With whom to dine? Ravens' responses to food-associated calls depend on individual characteristics of the caller.Animal behaviour · 2015Article
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Authors and funding
3 authors.
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Abstract
backgroundAcoustic parameters of animal signals have been shown to correlate with various phenotypic characteristics of the sender. These acoustic characteristics can be learned and categorized and thus are a basis for perceivers' recognition abilities. One of the most demanding capacities is individual recognition, achievable only after repeated interactions with the same individual. Still, class-level recognition might be potentially important to perceivers who have not previously encountered callers but can classify unknown individuals according to the already learned categories. Especially for species with high fission-fusion dynamics that repeatedly encounter unknown individuals it may be advantageous to develop class-level recognition. We tested whether frequency-, temporal-, and amplitude-related acoustic parameters of vocalizations emitted by ravens, a species showing high fission-fusion dynamics in non-breeder aggregations, are connected to phenotypic characteristics and thus have the potential for class-level recognition.
resultsThe analysis of 418 food calls revealed that some components summarizing acoustic parameters were differentiated by age-classes and sex.
conclusionsTogether, the results provide evidence for the co-variation of vocal characteristics and respective sex and age categories, a prerequisite for class-level recognition in perceivers. Perceivers that are ignorant of the caller's identity can thus potentially recognize these class-level differences for decision-making processes in feeding contexts.
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