Rook uses stones to raise water level and get food, part 1

528 views · Published 10 December 2018 · 1:10 · Indexed 29 September 2026

Channel: Cell Press · 2018 · Science & Technology

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The first trial in which the rook Connelly is required to raise the water level by a varying amount. In this trial, seven stones are 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 seven stones before successfully acquiring the worm. He then leaves the testing platform.

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

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