Woodpeckers, common warblers in spring and summer, mute swans, visiting whooper swans, great-crested grebes and herons can all be found at the park.

Roundhay Park Upper Lake is maintained as a wildlife area, and the larger Waterloo Lake is used for fishing. The Park Arena is a natural amphitheatre which provides the venue for many special events ranging from sports days to major pop concerts and the spectacular bonfire and firework displays on 5th November .