The Northern Aviary, widely known as the Snowdon Aviary, was the largest of the Zoo’s aviaries. An early example of a walkthrough aviary, its landscaping was integrated with the circulation system to allow visitors a close-up view of the birds. Lord Snowdon was commissioned to design the building in 1960. In July 2021, restoration work started on the aviary which will be repurposed to house colobus monkeys.

To find out more about ZSL architecture and buildings, search the ZSL catalogue. Please note, the archive does not hold the plans of existing buildings as they are in active use.