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Eastern Gray Squirrel
Sciurus carolinensis
278 observations
Red Fox
Vulpes vulpes
270 observations
Reeves's Muntjac
Muntiacus reevesi
224 observations
European Rabbit
Oryctolagus cuniculus
145 observations
European Fallow Deer
Dama dama
84 observations
Brown Rat
Rattus norvegicus
83 observations
European Badger
Meles meles
68 observations
Common Hedgehog
Erinaceus europaeus
66 observations
Western Roe Deer
Capreolus capreolus
59 observations
Brown Hare
Lepus europaeus
44 observations
European Mole
Talpa europaea
28 observations
European Wood Mouse
Apodemus sylvaticus
27 observations
Bank Vole
Clethrionomys glareolus
24 observations
Common Shrew
Sorex araneus
23 observations
Field Vole
Microtus agrestis
17 observations
European Water Vole
Arvicola amphibius
13 observations
Western Polecat
Mustela putorius
11 observations
Eurasian Stoat
Mustela erminea
8 observations
Eurasian Pygmy Shrew
Sorex minutus
6 observations
Red Deer
Cervus elaphus
6 observations
Eurasian Harvest Mouse
Micromys minutus
5 observations
Eurasian Water Shrew
Neomys fodiens
5 observations
Water Deer
Hydropotes inermis
4 observations
House Mouse
Mus musculus
4 observations
Least Weasel
Mustela nivalis
4 observations
Common Pipistrelle
Pipistrellus pipistrellus
2 observations
Brown Long-eared Bat
Plecotus auritus
2 observations
European Fat Dormouse
Glis glis
2 observations
Red-necked Wallaby
Notamacropus rufogriseus
2 observations
Eurasian Otter
Lutra lutra
1 observations
Wild Boar
Sus scrofa
1 observations
Sika Deer
Cervus nippon
1 observations
Daubenton's bat
Myotis daubentonii
1 observations
American Mink
Neogale vison
1 observations
Frequently Asked Questions
- The 10 most common mammals in Hertfordshire are:
- Eastern Gray Squirrel (Sciurus carolinensis)
- Red Fox (Vulpes vulpes)
- Reeves's Muntjac (Muntiacus reevesi)
- European Rabbit (Oryctolagus cuniculus)
- European Fallow Deer (Dama dama)
- Brown Rat (Rattus norvegicus)
- European Badger (Meles meles)
- Common Hedgehog (Erinaceus europaeus)
- Western Roe Deer (Capreolus capreolus)
- Brown Hare (Lepus europaeus)
- The most observed mammal in Hertfordshire is Eastern Gray Squirrel (Sciurus carolinensis), with 278 recorded observations.