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the claim

Dolphins communicate using complex linguistic structures

the verdict

CONTESTED

the evidence cuts both ways

confidence 43/100

While researchers have found that dolphins utilize sophisticated acoustic signals and vocal learning to encode contextual information, scientists remain divided and lack consensus on whether these systems meet the criteria for human-like complex linguistic structures.

Evidence for · 3

Toward understanding the communication in sperm whales.

2022 · cited by 19

Highlights that cetaceans possess complex social structures and click-based encodings suitable for studying language-like higher-level structures.

Evidence against · 2

Acoustic sequences in non-human animals: a tutorial review and prospectus.

2016 · cited by 129

Points out that while animals generate acoustic sequences, researchers have only begun to characterize them and there is little agreement on their meaning or linguistic structure.

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More for · 2

An image processing based paradigm for the extraction of tonal sounds in cetacean communications.

2013 · cited by 8

Demonstrates that dolphin tonal whistles encode contextual information and distinct identity groups, supporting sophisticated signaling.

Multimodal imitative learning and synchrony in cetaceans: A model for speech and singing evolution.

2023 · cited by 4

Notes that cetaceans display vocal learning and multimodal communication systems that serve as models for studying the evolution of complex communication.

More against · 1

Animal linguistics: a primer.

2023 · cited by 14

Emphasizes that major controversies remain and no consensus exists regarding the linguistic capacities of non-human species due to inconsistencies in terminology and analysis.

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first checked01 Aug 2026

judged → CONTESTED · 4301 Aug 2026

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