Do Nestling Vocalizations Depend on the Situation?

Reading the Graph: Do nestlings use peeps and whistles in different situations? Find out and see if you notice any other patterns by simplifying the graph with the interactive feature. Look for the checked boxes under “Choose What to Display,” and toggle on and off the different choices to see if you notice any patterns.

Notes: The percentage of clips for each colored bar refers to the clips with that type of vocalization out of the clips recorded with nestling vocalizations during that situation. For example, out of all the clips with vocalizations during brooding, 60% included the nestlings peeping only. (N=the number of clips, which varies from category to category since nestlings vocalize in response to some events more than others.) “Unsure” refers to the clips with vocalizations but no agreement on the vocalization type.

For simplicity, we’ve combined some categories of data collected by participants. “Feeding Nestlings” includes instances when adults were feeding nestlings or eating prey because the adults sometimes ate while feeding nestlings. We have not shown data for “Prey Transfer” because no such events were recorded. “Moving Prey” is not included because nestlings never vocalized while adults were moving prey.

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