As can be expected in such a unique fresh-water wetland, there exists an ideal environment for a wide range of mammals. At the last count more than 25 distinct species of mammals have been seen in the Dordtse Biesbosch. Ranging from the smallest, the Harvest Mouse, to the largest, the Roe Deer.
The following list will give an indication of the species that can be seen.
Hedgehog, (Erinaceus europaeus) - Common Shrew, (Sorex araneus) - Pygmy (Lesser) Shrew, (Sorex minutus) - Water Shrew, (Neomys fodiens) - House Shrew, (Crocidura russula) - Mole, (Talpa europaea) - Pond Bat, (Myotis dasycneme) - Pipistrelle, (Pipistrellus pipistrellus) - Nathusius' Pipistrelle, (Pipistrellus nathusii)- Serotine, (Eptesicus serotinus) - Long-eared Bat, (Plecotus auritus) - Brown Hare, (Lepus europaeus) - Rabbit, (Oryctolagus cuniculus) - Beaver, (Castor fiber) - Bank Vole, (Clethrionomys glareolus) - Water Vole, (Arvicola terrestris) - Muskrat, (Ondatra zibethicus) - Common Vole, (Microtus arvalis) - Field Vole, (Microtus agrestis) - Root Vole, (Microtus oeconomus) - Harvest Mouse, (Micromys minutus) - Wood Mouse, (Apodemus sylvaticus) - Common Rat, (Rattus norvegicus) - Coypu, (Myocastor coypus) - Stoat, (Mustela erminea) - Weasel, (Mustela nivalis) - Polecat, (Mustela putorius) - European pine marten (Martes martes) - Roe Deer, (Capreolus capreolus)- Fox (Vulpes vulpes)
