Cognitive and communicative capacities of Grey parrots – implications for the enrichment of many species

Much of my research has been devoted to determining the cognitive and communicative abilities of Grey parrots (Psittacus erithacus), but other companion animals and those in captivity in zoos also have considerable capacities that are often under-utilised in such settings. Many such animals are left to their own devices for large parts of the day, […]