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takyon [soylentnews.org] writes:

http://www.npr.org/sections/thetwo-way/2017/04/26/525609671/recordings-reveal-baby-humpback-whales-whisper-to-their-mothers [npr.org]

Baby humpback whales seem to whisper to their mothers, according to scientists who have captured the infant whales' quiet grunts and squeaks.

The recordings, described in the journal Functional Ecology [wiley.com], are the first ever made with devices attached directly to the calves.

High suckling rates and acoustic crypsis of humpback whale neonates maximise potential for mother–calf energy transfer [wiley.com] (open, DOI: 10.1111/1365-2435.12871) (DX [doi.org])

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