I really learnt a lot from this recent review paper about collaboration in other animals

How animals collaborate: Underlying proximate
mechanisms by Shona Duguid and Alicia Melis in WIREs Cognitive Science

https://wires.onlinelibrary.wiley.com/doi/pdf/10.1002/wcs.1529

#apes #collaboration #comparativepsychology #cooperation #socialcognition #sharedintentionality