Loading species data...
Fetching observations
White-tailed Deer
Odocoileus virginianus
1,617 observations
Red Fox
Vulpes vulpes
1,484 observations
Eastern Gray Squirrel
Sciurus carolinensis
1,060 observations
Eastern Cottontail
Sylvilagus floridanus
1,050 observations
Common Raccoon
Procyon lotor
467 observations
Groundhog
Marmota monax
262 observations
Tamanend's Bottlenose Dolphin
Tursiops erebennus
259 observations
Muskrat
Ondatra zibethicus
248 observations
American Beaver
Castor canadensis
215 observations
Eastern Chipmunk
Tamias striatus
208 observations
Northern Short-tailed Shrew
Blarina brevicauda
167 observations
Grey Seal
Halichoerus grypus
142 observations
Harbor Seal
Phoca vitulina
128 observations
Virginia Opossum
Didelphis virginiana
125 observations
White-footed Mouse
Peromyscus leucopus
72 observations
Striped Skunk
Mephitis mephitis
61 observations
North American River Otter
Lontra canadensis
56 observations
Coyote
Canis latrans
55 observations
American Red Squirrel
Tamiasciurus hudsonicus
42 observations
Domestic Cat
Felis catus
41 observations
Eastern Red Bat
Lasiurus borealis
33 observations
Brown Rat
Rattus norvegicus
27 observations
Southern Flying Squirrel
Glaucomys volans
24 observations
American Mink
Neogale vison
22 observations
House Mouse
Mus musculus
21 observations
Eastern Meadow Vole
Microtus pennsylvanicus
17 observations
Eastern Mole
Scalopus aquaticus
16 observations
Big Brown Bat
Eptesicus fuscus
15 observations
Humpback Whale
Megaptera novaeangliae
14 observations
Gray Fox
Urocyon cinereoargenteus
12 observations
North American Least Shrew
Cryptotis parvus
12 observations
Masked Shrew
Sorex cinereus
11 observations
Woodland Vole
Microtus pinetorum
7 observations
Silver-haired Bat
Lasionycteris noctivagans
6 observations
Northern Meadow Jumping Mouse
Zapus hudsonius
4 observations
Eastern Fox Squirrel
Sciurus niger
3 observations
Star-nosed Mole
Condylura cristata
3 observations
Fin Whale
Balaenoptera physalus
2 observations
Harp Seal
Pagophilus groenlandicus
2 observations
Domestic Dog
Canis familiaris
2 observations
Common Dolphin
Delphinus delphis
1 observations
Sika Deer
Cervus nippon
1 observations
Domestic Cattle
Bos taurus
1 observations
Long-tailed Weasel
Neogale frenata
1 observations
Frequently Asked Questions
- The 10 most common mammals in Delaware are:
- White-tailed Deer (Odocoileus virginianus)
- Red Fox (Vulpes vulpes)
- Eastern Gray Squirrel (Sciurus carolinensis)
- Eastern Cottontail (Sylvilagus floridanus)
- Common Raccoon (Procyon lotor)
- Groundhog (Marmota monax)
- Tamanend's Bottlenose Dolphin (Tursiops erebennus)
- Muskrat (Ondatra zibethicus)
- American Beaver (Castor canadensis)
- Eastern Chipmunk (Tamias striatus)
- The most observed mammal in Delaware is White-tailed Deer (Odocoileus virginianus), with 1,617 recorded observations.