As has been mentioned, the problems attributed to the facilities in zoos don’t just take into account the lack of space, but also the isolation and the lack of stimulus as a result of living alone in denaturalised compartments.
Regarding the conditions of quality of life of animals in zoos, it should be noted that:
13% of the animals in Barcelona zoo were born in the wild.
All the deficiencies related to the above factors, together with other important factors such as the shows and interactions that the animals are forced to perform, mean that they may develop a wide range of disorders and abnormal behaviours, such as the ones listed below:
At the state level
Through InfoZOOS a coalition made up of the organisations ANDA, BORN FREE and FAADA, created to bring about effective change in the way wild animals are managed and treated in zoos.