Goffin's cockatoos make the same tool type from different materials

Innovative toolmanufacture is rare and hard to isolate in animals. We show that an Indonesian generalist parrot, the Goffin's cockatoo, can flexibly and spontaneously transfer the manufacture of stick-type tools across three different materials. Each material required differentmanipulation patterns, including substrates that required active sculpting for achieving a functional, elongated shape.