Linked from

The 11 pages that link to Tool use by animals, each with the reason it gives.

• OrangutanRelated: Wild orangutans use sticks and leaves for tasks including food extraction.

• RavenRelated: Some ravens use tools to reach food, demonstrating flexible problem-solving.

• CorvidaeRelated: Some corvids modify or select objects to obtain food.

• Nest buildingRelated: Some nest builders manipulate twigs, leaves, or other materials as tools.

• BillRelated: Some birds manipulate sticks or other tools with their bills.

• Carrion crowRelated: Carrion crows have been observed using tools, including sticks, to reach food.

• Hooded crowRelated: Hooded crows can use objects in some foraging situations, though tool use is not their defining behavior.

• Macaca fascicularisRelated: Some populations use stones to crack shellfish and nuts.