 Chub ("Squalius cephalus") and carp can both be found in the stream, along with the nationally protected water vole ("Arvicola amphibius").Numerous birds frequent The Riddy, some which feed in the meadows including redwing ("Turdus iliacus"), fieldfare ("Turdus pilaris") and northern lapwing ("Vanellus vanellus"), whilst sparrowhawks ("Accipiter nisus") have been observed "patrolling" the mature hedgerows.Grey herons ("Ardea cinerea") and common terns ("Sterna hirundo") hunt fish, and in the autumn, song thrushes ("Turdus philomelos") can be seen at the reserve.