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Rook uses stones to raise water level and get food, part 2

3,376 views · Published 10 December 2018 · 1:10 · Indexed 23 September 2026

Channel: Cell Press · 2018 · Science & Technology

The second trial in which Connelly is required to raise the water level by a varying amount. In this trial, only one stone is needed to raise the water level and worm to the reachable height. Connelly flies to the testing platform and investigates the apparatus before the stones are added. Connelly adds one stone before successfully acquiring the worm. He then leaves the testing platform.

See the paper by Bird and Emery,
Current Biology 19(16): https://www.cell.com/current-biology/fulltext/S0960-9822%2809%2901455-9

Rook uses stones to raise water level and get food, part 2

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