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That isn't new either. From dalke's reference: Intriguingly, the behaviour is mostly confined to females and immature chimps.
by iamcurious 12y ago
That isn't new either. From dalke's reference:
Intriguingly, the behaviour is mostly confined to females and immature chimps.
- jonlucc 12y agoThis isn't my field, but as far as I can tell, they've done a more systematic study of which chimps are making the spears to confirm the previous observation that it was often females.