Four year old carried by mother during travel (IMAGE)

Max Planck Institute of Animal Behavior

Four year old carried by mother during travel

Caption

Four-year-old infant carried by its mother during travel

Credit

Tuanan Orangutan Research Project/UZH

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These are for editorial purposes relating to this press release and the study Jacobson et al. (2026) Maternal ranging strategies facilitate offspring social play at energetic cost in the most solitary ape. PNAS. They MUST be credited and MUST NOT be sold on to third parties.

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