Multimodal duetting in magpie-larks: how do vocal and visual components contribute to a cooperative signal's function?
Many animals communicate using multimodal signals, which simultaneously address different senses. Components may prompt similar or different responses when used alone, whereas the composite signal may have a similar meaning to one or both components, or a novel meaning. We used robot models to dissect the roles of visual and vocal components in the multimodal duets of Australian magpie-larks, Grallina cyanoleuca. Mated pairs produce antiphonal vocal duets, and coordinate them with visual duets,...[Show more]
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