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Plants

Molluscs

Crustaceans

Spiders

Insects

Amphibians

Reptiles

Birds

Mammals

In the River Roding in July 2008, adjacent to the Wilderness area (ie the southern stretch), and more below the wooded area further north.

In July 2018 it was noticed that the amount had increased substantially, with large patches near to the concrete bridge close to Wanstead Park.