Can I teach Cockatoos to use TOOLS?

Over the past 2 years I've been testing the intelligence of wild cockatoos using custom designed puzzles - but I've always wondered, can they learn to use tools? Or do they carry the best tool around with them already!?

Watch more Cockatoo puzzle videos! https://youtube.com/playlist?list=PLTCCNNvHC8PCbN8vG27x2tHzLckJ3q2FV

WIRES - https://www.wires.org.au/wildlife-information/tree-hollows-for-wildlife
Goffin's cockatoo study - https://www.cell.com/current-biology/fulltext/S0960-9822(21)01111-8

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