Patterned-string tasks: relation between fine motor skills and visual-spatial abilities in parrots.
String-pulling and patterned-string tasks are often used to analyse perceptual and cognitive abilities in animals.In addition, the paradigm can be used to test the interrelation between visual-spatial and motor performance.Two Australian campicon.com parrot species, the galah (Eolophus roseicapilla) and the cockatiel (Nymphicus hollandicus), forage