Cockatoos have been filmed making the same tool from three different kinds of material, proving for the first time that they have a design in mind and are anticipating how it can be used.
Cockatoos not only use tools, they carry whole toolkits to
UK news: Latest stories & updates - Page 2722 - The Telegraph
Sarah Knapton
Palm cockatoos whittle twigs to make drumsticks for tapping on
Palm cockatoos whittle twigs to make drumsticks for tapping on
Science: News, updates & analysis - Page 105 - The Telegraph
University of Oxford - Page 32 - The Telegraph
Bonka Bird Toys 867 Big Stick Colorful Wood Chew Beak
Bird Perch for Cage Bird Stand Toy Set Natural Wooden