{"identifier":"nobleid:/w1/20260521/EB0433FD","arkIdentifier":"ark:/48914/w1/20260521/EB0433FD","version":1,"workTitle":"Relative size discrimination by an African grey parrot","workType":"Journal Article","authors":"Irene M. Pepperberg","description":null,"workUrl":null,"existingDoi":"10.1037/e665402011-640","createdAt":"2026-05-21T18:19:53.936403Z","canonicalUrl":"https://nobleid.org/ark:/48914/w1/20260521/EB0433FD.v1"}