New research, reported in the open-access journal PloS ONE, has yielded a surprising result: an Indonesian species of parrot known as Goffin’s Cockatoo, Tanimbar Corella or Goffin’s Corella (Cacatua goffiniana), can solve complex mechanical problems that involve undoing a series of locks one after another. Goffin’s Cockatoo (© Ian Parberry / Virginia Holt / CSE UNT) “We cannot prove that the birds understand the physical structure...
