| Erinaceus europaeus | Hedgehog | Presumably common |
| Talpa europaeus | Mole | Mole hills common in grasslands and woodlands |
| Sorex araneus | Common Shrew | Occasional - can be prominent along the track between Moreton and Stratford |
| Sorex minutus | Pygmy Shrew | Status uncertain - one found under timber, but probably more common |
| Neomys fodiens | Water Shrew | Status uncertain - one seen in Nunnery Hide |
| Myotis brandti | Brandt's Bat | Rare foraging records, one once seen roosting in Moreton hide |
| Myotis nattereri | Natterer's Bat | Foraging records |
| Myotis daubentoni | Daubenton's Bat | Surprisingly rare, sometimes over Herriott’s Pool |
| Nyctalus noctula | Noctule Bat | Rare foraging records |
| Nyctalus leisleri | Leisler's Bat | Rare foraging records |
| Pipistrellus pipistrellus | Common Pipistrelle | Fairly common |
| Pipistrellus pygmaeus | Soprano Pipistrelle | Fairly common |
| Pipistrellus nathusii | Nathusius' Pipistrelle | The first known British breeding colony was at Chew |
| Plecotus auritus | Brown Long-eared Bat | Sometimes seen hunting around woods in the evening |
| Oryctolagus cuniculus | Rabbit | Common |
| Lepus europaeus | Brown Hare | Only seen very rarely, usually on the west side |
| Sciurus carolinensis | Grey Squirrel | Common |
| Clethrionomys glareolus | Bank Vole | Much less frequent than the next species |
| Microtus agrestis | Field Vole | Common in grasslands, numbers fluctuate |
| Apodemus sylvaticus | Wood Mouse | Common |
| Micromys minutus | Harvest Mouse | Significant colonies at southern end of lake, though seldom recorded recently |
| Mus domesticus | House Mouse | Rare around buildings |
| Rattus norvegicus | Common Rat | Common - the causeway at Herriott's Bridge is stiff with them in summer! |
| Vulpes vulpes | Red Fox | Common (especially in autumn) - a record of 15 seen at once in August 2005! |
| Mustela putorius | Polecat | A few records recently of apparent Polecats, including one with young in 2007 |
| Mustela erminea | Stoat | Rarely seen, but present |
| Mustela nivalis | Weasel | Seen more often than last the previous species |
| Mustela vison | Mink | Was common, now much less so (very few recent sightings, but one in 2005) |
| Meles meles | Badger | Several setts |
| Lutra lutra | Otter | Became extinct, now re-established at low density, though hardly ever seen |
| Capreolus capreolus | Roe Deer | Common and regularly seen, increasing |
| Muntiacus reevesi | Muntjac | One record |
| Phocoena phocoena | Harbour Porpoise | One, after storms |