Here are some examples of tools a crow might be able to use:

• A hooked stick: Crows are adept at using sticks to retrieve food from tight spaces. A hooked stick could help a crow retrieve grubs or insects from under bark or inside holes more efficiently. The stick would need to be lightweight but sturdy and have a hook on the end sized appropriately for the crow's beak.

• A wing harness: For crows that have damaged or injured wings, a harness could help the crow fly and stay airborne longer. The harness would need to be lightweight, securely fit around the crow's body, and have mechanisms that the crow can control to manipulate the wings. Designing and testing such a harness would require careful safety considerations for the crow.

• Bait retrieval tool: For crows that fish for food in water, a tool could help them more easily retrieve bait or food from the water. For example, a spear-like tool with prongs on the end could help a crow skewer fish or other prey. Again, the tool would need to be lightweight and easy for the crow to grip and manipulate. There would need to be extensive testing to ensure the tool does not harm the crow or make fishing more difficult.
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