Family

Hamsters, Voles, Lemmings, and Allies

Cricetidae

96 species in our catalog · found in 110 parks

Species in this group

Each card shows the species at its best park — tap for the full profile

Auliscomys boliviensis

Ondatra zibethicus

Akodon albiventer

Ototylomys phyllotis

Myodes rutilus

Peromyscus maniculatus

20–30% · With luck

Myodes glareolus

10–20% · With luck

Dicrostonyx groenlandicus

Abrothrix olivaceus

Abrothrix jelskii

Phodopus roborovskii

Neotoma lepida

Reithrodontomys creper

Insufficient data

LC Endemic

Reithrodontomys rodriguezi

Peromyscus nudipes

Microtus agrestis

Nyctomys sumichrasti

Chionomys nivalis

Tylomys watsoni

Myodes gapperi

Microtus pennsylvanicus

Insufficient data

Cricetus cricetus

Insufficient data

Oligoryzomys nigripes

Insufficient data

Rhipidomys leucodactylus

Insufficient data

Sigmodon hispidus

5–10% · With luck

Transandinomys talamancae

Insufficient data

Allocricetulus curtatus

Otonyctomys hatti

Necromys lasiurus

Sigmodon hirsutus

Scotinomys teguina

Microtus mexicanus

Baiomys taylori

Oligoryzomys flavescens

Insufficient data

LC Endemic

Oxymycterus dasytrichus

Rhagomys rufescens

Graomys griseoflavus

Peromyscus mexicanus

Melanomys caliginosus

Nectomys squamipes

Arvicola amphibius

Irenomys tarsalis

Peromyscus leucopus

Microtus arvalis

Microtus oeconomus

Arvicola sapidus

Aegialomys galapagoensis

Oryzomys palustris

Peromyscus eva

Peromyscus fraterculus

Neotoma cinerea

Sigmodon peruanus

Oecomys bicolor

Neotoma bryanti

Abrothrix lanosus

Neotoma floridana

Microtus townsendii

Onychomys leucogaster

Insufficient data

Reithrodontomys montanus

Insufficient data

LC Endemic

Peromyscus yucatanicus

Insufficient data

See all 60 species Show fewer

Showing the 60 most likely of 96 species — the park table below covers them all.

📅 Monthly Probability

Probability-weighted average across the group's species

5–10

Jan

5–10

Feb

10–20

Mar

10–20

Apr

10–20

May

10–20

Jun

10–20

Jul

10–20

Aug

10–20

Sep

10–20

Oct

10–20

Nov

10–20

Dec

🕐 When They're Spotted

When the group's species are recorded (aggregated)

Where to see Hamsters, Voles, Lemmings, and Allies

Worldwide records of this group (human observations from 2019 onwards, GBIF). Pins mark our parks — tap one for the chance of seeing at least one species of the group there.

Parks Ranked

Chance of seeing at least one species of the group · number of its species present

#	Park	Country	Species	P(≥1)
1	Lauca National Park	🇨🇱 Chile	3	80–90%
	Bolivian Big-eared Mouse			60–70%
	White-bellied Grass Mouse			Insufficient data
	Jelski's altiplano mouse			Insufficient data
2	Elk Island National Park	🇨🇦 Canada	4	60–70%
	Muskrat			50–60%
	Gapperrotelmaus			Insufficient data
	Meadow Vole			Insufficient data
	Deer Mouse			Insufficient data
3	Riding Mountain National Park	🇨🇦 Canada	4	30–40%
	Muskrat			20–30%
	Gapperrotelmaus			5–10%
	Meadow Vole			Insufficient data
	Deer Mouse			Insufficient data
4	Point Pelee National Park	🇨🇦 Canada	4	30–40%
	Muskrat			10–20%
	Meadow Vole			5–10%
	White-footed Mouse			<5%
	Deer Mouse			<5%
5	Santa Rosa National Park	🇨🇷 Costa Rica	3	30–40%
	Big-eared Climbing Rat			20–30%
	Sumichrast's Vesper Rat			Insufficient data
	Southern Cotton Rat			Insufficient data
6	Hortobágy National Park	🇭🇺 Hungary	2	30–40%
	Muskrat			20–30%
	Black-bellied Hamster			Insufficient data
7	Irazú Volcano National Park	🇨🇷 Costa Rica	3	30–40%
	Chiriqui Harvest Mouse			Insufficient data
	Rodriguez's harvest mouse			Insufficient data
	Talamancan Deermouse			Insufficient data
8	Białowieża National Park	🇵🇱 Poland	4	20–30%
	Bank Vole			10–20%
	Tundra Vole			Insufficient data
	European Water Vole			Insufficient data
	Field Vole			Insufficient data
9	Jasper National Park	🇨🇦 Canada	6	20–30%
	Muskrat			10–20%
	Deer Mouse			5–10%
	Gapperrotelmaus			5–10%
	Meadow Vole			Insufficient data
	Bushy-tailed Wood Rat			Insufficient data
	Brown Lemming			Insufficient data
10	Cairngorms National Park	🇬🇧 United Kingdom	3	20–30%
	Bank Vole			10–20%
	Field Vole			10–20%
	European Water Vole			Insufficient data
11	Pico Bonito National Park	🇭🇳 Honduras	3	20–30%
	Sumichrast's Vesper Rat			Insufficient data
	Watson's climbing rat			Insufficient data
	Big-eared Climbing Rat			Insufficient data
12	Sian Ka'an Biosphere Reserve	🇲🇽 Mexico	4	20–30%
	Big-eared Climbing Rat			10–20%
	Hatt's Vesper Rat			Insufficient data
	White-footed Mouse			Insufficient data
	Yucatán Deer Mouse			Insufficient data
13	Grand Teton National Park	🇺🇸 United States	5	20–30%
	Muskrat			10–20%
	Deer Mouse			Insufficient data
	Gapperrotelmaus			Insufficient data
	Bushy-tailed Wood Rat			Insufficient data
	Meadow Vole			Insufficient data
14	Yellowstone National Park	🇺🇸 United States	4	20–30%
	Muskrat			10–20%
	Deer Mouse			<5%
	Bushy-tailed Wood Rat			<5%
	Gapperrotelmaus			Insufficient data
15	Kenai Fjords National Park	🇺🇸 United States	1	20–30%
	Northern Red-backed Vole			20–30%
16	Wood Buffalo National Park	🇨🇦 Canada	2	20–30%
	Muskrat			Insufficient data
	Gapperrotelmaus			Insufficient data
17	Banff National Park	🇨🇦 Canada	5	20–30%
	Muskrat			5–10%
	Gapperrotelmaus			5–10%
	Bushy-tailed Wood Rat			<5%
	Deer Mouse			<5%
	Meadow Vole			Insufficient data
18	Great Smoky Mountains National Park	🇺🇸 United States	8	20–30%
	Muskrat			5–10%
	Hispid Cotton Rat			<5%
	White-footed Mouse			<5%
	Eastern Woodrat			<5%
	Gapperrotelmaus			<5%
	🐒 Golden Mouse			Insufficient data
	Rock Vole			Insufficient data
	Pine Vole			Insufficient data
19	Tierra del Fuego National Park	🇦🇷 Argentina	2	20–30%
	Muskrat			10–20%
	Olive Grass Mouse			Insufficient data
20	Nahanni National Park	🇨🇦 Canada	1	20–30%
	Muskrat			Insufficient data
21	Gobi Gurvansaikhan National Park	🇲🇳 Mongolia	2	20–30%
	Desert Hamster			Insufficient data
	Mongolian Hamster			Insufficient data
22	Isle Royale National Park	🇺🇸 United States	1	20–30%
	Deer Mouse			20–30%
23	Death Valley National Park	🇺🇸 United States	4	10–20%
	Desert Woodrat			10–20%
	Deer Mouse			5–10%
	Western Harvest Mouse			Insufficient data
	Southern Grasshopper Mouse			Insufficient data
24	Badlands National Park	🇺🇸 United States	6	10–20%
	Meadow Vole			Insufficient data
	Deer Mouse			Insufficient data
	Northern Grasshopper Mouse			Insufficient data
	Bushy-tailed Wood Rat			Insufficient data
	Muskrat			Insufficient data
	Plains Harvest Mouse			Insufficient data
25	Snowdonia National Park	🇬🇧 United Kingdom	3	10–20%
	Bank Vole			10–20%
	Field Vole			5–10%
	European Water Vole			Insufficient data
26	Acadia National Park	🇺🇸 United States	5	10–20%
	Meadow Vole			5–10%
	Muskrat			5–10%
	Deer Mouse			<5%
	White-footed Mouse			<5%
	Gapperrotelmaus			Insufficient data
27	Glacier National Park	🇺🇸 United States	6	10–20%
	Muskrat			10–20%
	Deer Mouse			5–10%
	Gapperrotelmaus			Insufficient data
	Long-tailed Vole			Insufficient data
	Meadow Vole			Insufficient data
	Bushy-tailed Wood Rat			Insufficient data
28	Monteverde Cloud Forest Reserve	🇨🇷 Costa Rica	6	10–20%
	Watson's climbing rat			5–10%
	Sumichrast's Vesper Rat			<5%
	Mexican Deer Mouse			<5%
	Southern Cotton Rat			Insufficient data
	Alston's Brown Mouse			Insufficient data
	Big-eared Climbing Rat			Insufficient data
29	Wrangell-St. Elias National Park	🇺🇸 United States	2	10–20%
	Muskrat			Insufficient data
	Northern Red-backed Vole			Insufficient data
30	Torres del Paine National Park	🇨🇱 Chile	2	10–20%
	Olive Grass Mouse			10–20%
	🐒 Woolly Akodont			Insufficient data
31	Rocky Mountain National Park	🇺🇸 United States	5	10–20%
	Muskrat			10–20%
	Deer Mouse			Insufficient data
	Meadow Vole			Insufficient data
	Gapperrotelmaus			Insufficient data
	Bushy-tailed Wood Rat			Insufficient data
32	Gates of the Arctic National Park	🇺🇸 United States	1	10–20%
	Greenland Collared Lemming			Insufficient data
33	Bavarian Forest National Park	🇩🇪 Germany	4	10–20%
	Muskrat			10–20%
	Bank Vole			5–10%
	Common Vole			Insufficient data
	Black-bellied Hamster			Insufficient data
34	Shenandoah National Park	🇺🇸 United States	8	10–20%
	Muskrat			5–10%
	White-footed Mouse			<5%
	Hispid Cotton Rat			<5%
	Gapperrotelmaus			Insufficient data
	Meadow Vole			Insufficient data
	Pine Vole			Insufficient data
	Allegheny Woodrat			Insufficient data
	Deer Mouse			Insufficient data
35	Denali National Park	🇺🇸 United States	2	10–20%
	Northern Red-backed Vole			5–10%
	Muskrat			5–10%
36	Itatiaia National Park	🇧🇷 Brazil	3	10–20%
	Yellow Pygmy Rice Rat			Insufficient data
	Atlantic Forest hocicudo			Insufficient data
	Brazilian arboreal mouse			Insufficient data
37	Cape Breton Highlands National Park	🇨🇦 Canada	3	10–20%
	Meadow Vole			Insufficient data
	Deer Mouse			Insufficient data
	Muskrat			Insufficient data
38	Katmai National Park	🇺🇸 United States	1	10–20%
	Northern Red-backed Vole			Insufficient data
39	Channel Islands National Park	🇺🇸 United States	5	10–20%
	Muskrat			5–10%
	Deer Mouse			5–10%
	Dusky-footed Woodrat			Insufficient data
	Western Harvest Mouse			Insufficient data
	Big-eared Woodrat			Insufficient data
40	Voyageurs National Park	🇺🇸 United States	2	10–20%
	Meadow Vole			Insufficient data
	Gapperrotelmaus			Insufficient data
41	Calakmul Biosphere Reserve	🇲🇽 Mexico	4	10–20%
	Hatt's Vesper Rat			5–10%
	Big-eared Climbing Rat			Insufficient data
	Sumichrast's Vesper Rat			Insufficient data
	Toltec Cotton Rat			Insufficient data
42	Wadden Sea National Park	🇩🇪 Germany	5	10–20%
	Muskrat			5–10%
	Bank Vole			<5%
	Common Vole			<5%
	European Water Vole			Insufficient data
	Field Vole			Insufficient data
43	Chirripó National Park	🇨🇷 Costa Rica	2	10–20%
	Sumichrast's Vesper Rat			Insufficient data
	Mexican Deer Mouse			Insufficient data
44	Picos de Europa National Park	🇪🇸 Spain	2	10–20%
	European Snow Vole			Insufficient data
	European Water Vole			Insufficient data
45	Great Bear Rainforest	🇨🇦 Canada	6	10–20%
	Muskrat			<5%
	🐒 Northwestern Deermouse			<5%
	Deer Mouse			<5%
	Gapperrotelmaus			<5%
	Bushy-tailed Wood Rat			Insufficient data
	Meadow Vole			Insufficient data
46	Piedras Blancas National Park	🇨🇷 Costa Rica	3	10–20%
	Sumichrast's Vesper Rat			Insufficient data
	Talamancan rice rat			Insufficient data
	Watson's climbing rat			Insufficient data
47	Redwood National Park	🇺🇸 United States	2	10–20%
	Deer Mouse			10–20%
	Dusky-footed Woodrat			Insufficient data
48	Braulio Carrillo National Park	🇨🇷 Costa Rica	2	10–20%
	Sumichrast's Vesper Rat			10–20%
	Alston's Brown Mouse			Insufficient data
49	Los Quetzales National Park	🇨🇷 Costa Rica	3	10–20%
	Alston's Brown Mouse			Insufficient data
	Mexican Deer Mouse			Insufficient data
	Boquete Rice Rat			Insufficient data
50	Tenorio Volcano National Park	🇨🇷 Costa Rica	3	10–20%
	Sumichrast's Vesper Rat			Insufficient data
	Watson's climbing rat			Insufficient data
	Big-eared Climbing Rat			Insufficient data
51	Gandoca-Manzanillo Wildlife Refuge	🇨🇷 Costa Rica	2	10–20%
	Sumichrast's Vesper Rat			Insufficient data
	Dusky Rice Rat			Insufficient data
52	Serra dos Órgãos National Park	🇧🇷 Brazil	2	10–20%
	black-footed pygmy rice rat			Insufficient data
	South American Water Rat			Insufficient data
53	Reserva de la Biosfera Mariposa Monarca	🇲🇽 Mexico	2	10–20%
	Mexican Vole			Insufficient data
	Northern Pygmy Mouse			Insufficient data
54	Tatra National Park	🇸🇰 Slovakia	2	10–20%
	Bank Vole			Insufficient data
	European Snow Vole			Insufficient data
55	Aigüestortes National Park	🇪🇸 Spain	2	10–20%
	Bank Vole			Insufficient data
	Southwestern Water Vole			Insufficient data
56	Big Cypress National Preserve	🇺🇸 United States	2	10–20%
	Hispid Cotton Rat			5–10%
	Marsh Rice Rat			Insufficient data
57	Kluane National Park	🇨🇦 Canada	1	10–20%
	Northern Red-backed Vole			Insufficient data
58	Cusuco National Park	🇭🇳 Honduras	1	10–20%
	Sumichrast's Vesper Rat			Insufficient data
59	Gros Morne National Park	🇨🇦 Canada	2	10–20%
	Meadow Vole			Insufficient data
	Gapperrotelmaus			Insufficient data
60	Olympic National Park	🇺🇸 United States	7	5–10%
	Deer Mouse			<5%
	Townsend's Vole			<5%
	Gapperrotelmaus			Insufficient data
	Bushy-tailed Wood Rat			Insufficient data
	Muskrat			Insufficient data
	🐒 Northwestern Deermouse			Insufficient data
	Creeping Vole			Insufficient data
61	Fertő-Hanság National Park	🇭🇺 Hungary	4	5–10%
	Bank Vole			Insufficient data
	Black-bellied Hamster			Insufficient data
	Tundra Vole			Insufficient data
	Common Vole			Insufficient data
62	Gauja National Park	🇱🇻 Latvia	1	5–10%
	Bank Vole			Insufficient data
63	Arenal Volcano National Park	🇨🇷 Costa Rica	4	5–10%
	Sumichrast's Vesper Rat			5–10%
	Southern Cotton Rat			Insufficient data
	Watson's climbing rat			Insufficient data
	Short-Nosed Harvest Mouse			Insufficient data
64	Grand Canyon National Park	🇺🇸 United States	4	5–10%
	Deer Mouse			Insufficient data
	Mexican Vole			Insufficient data
	Bushy-tailed Wood Rat			Insufficient data
	Muskrat			Insufficient data
65	Cerro Azul Meámbar National Park	🇭🇳 Honduras	2	5–10%
	Big-eared Climbing Rat			Insufficient data
	Sumichrast's Vesper Rat			Insufficient data
66	Everglades National Park	🇺🇸 United States	4	5–10%
	Hispid Cotton Rat			5–10%
	Marsh Rice Rat			Insufficient data
	Cotton Mouse			Insufficient data
	Eastern Woodrat			Insufficient data
67	Kiskunság National Park	🇭🇺 Hungary	2	5–10%
	Muskrat			Insufficient data
	Common Vole			Insufficient data
68	Pyrénées National Park	🇫🇷 France	7	5–10%
	Bank Vole			<5%
	European Snow Vole			<5%
	Southwestern Water Vole			<5%
	Gerbe's Vole			Insufficient data
	European Water Vole			Insufficient data
	Field Vole			Insufficient data
	Common Vole			Insufficient data
69	Biebrza National Park	🇵🇱 Poland	1	5–10%
	Bank Vole			Insufficient data
70	Bahía de Loreto National Park	🇲🇽 Mexico	2	5–10%
	Eva's Desert Mouse			Insufficient data
	Northern Baja Deermouse			Insufficient data
71	Sequoia and Kings Canyon National Parks	🇺🇸 United States	4	5–10%
	Deer Mouse			Insufficient data
	Brush Mouse			Insufficient data
	Long-tailed Vole			Insufficient data
	Bushy-tailed Wood Rat			Insufficient data
72	Yasuní National Park	🇪🇨 Ecuador	3	5–10%
	bicolored arboreal rice rat			Insufficient data
	Western Amazonian Oryzomys			Insufficient data
	🐒 South American spiny mouse			Insufficient data
73	Yosemite National Park	🇺🇸 United States	8	5–10%
	Deer Mouse			Insufficient data
	Montane Vole			Insufficient data
	Brush Mouse			Insufficient data
	Bushy-tailed Wood Rat			Insufficient data
	Muskrat			Insufficient data
	Pinyon Mouse			Insufficient data
	Dusky-footed Woodrat			Insufficient data
	Big-eared Woodrat			Insufficient data
74	Triglav National Park	🇸🇮 Slovenia	1	5–10%
	Bank Vole			Insufficient data
75	La Amistad International Park (Panama)	🇵🇦 Panama	7	5–10%
	Alston's Brown Mouse			<5%
	Southern Cotton Rat			Insufficient data
	Dusky Rice Rat			Insufficient data
	Sumichrast's Vesper Rat			Insufficient data
	Mexican Deer Mouse			Insufficient data
	Underwood's water mouse			Insufficient data
	bicolored arboreal rice rat			Insufficient data
76	Sierra de la Macarena National Park	🇨🇴 Colombia	1	5–10%
	white-footed climbing mouse			Insufficient data
77	Nahuel Huapi National Park	🇦🇷 Argentina	2	5–10%
	🐒 Chilean climbing mouse			Insufficient data
	long-clawed mole mouse			Insufficient data
78	Chagres National Park	🇵🇦 Panama	1	5–10%
	Talamancan rice rat			Insufficient data
79	Vicente Pérez Rosales National Park	🇨🇱 Chile	1	5–10%
	Olive Grass Mouse			Insufficient data
80	Masaya Volcano National Park	🇳🇮 Nicaragua	1	5–10%
	Sumichrast's Vesper Rat			Insufficient data
81	Rincón de la Vieja National Park	🇨🇷 Costa Rica	1	5–10%
	Sumichrast's Vesper Rat			Insufficient data
82	Cuyabeno Wildlife Reserve	🇪🇨 Ecuador	3	5–10%
	bicolored arboreal rice rat			Insufficient data
	Western Amazonian Oryzomys			Insufficient data
	🐒 South American spiny mouse			Insufficient data
83	Emas National Park	🇧🇷 Brazil	1	5–10%
	hairy-tailed bolo mouse			Insufficient data
84	Big Bend National Park	🇺🇸 United States	4	5–10%
	Hispid Cotton Rat			Insufficient data
	White-footed Mouse			Insufficient data
	Southern Plains Woodrat			Insufficient data
	Yellow-nosed Cotton Rat			Insufficient data
85	Cumbres de Monterrey National Park	🇲🇽 Mexico	6	5–10%
	Hispid Cotton Rat			<5%
	White-footed Mouse			Insufficient data
	Mexican Vole			Insufficient data
	Cactus Mouse			Insufficient data
	White-toothed Woodrat			Insufficient data
	🐒 Rock Mouse			Insufficient data
86	Península Valdés	🇦🇷 Argentina	1	5–10%
	🐒 gray leaf-eared mouse			Insufficient data
87	Pacific Rim National Park Reserve	🇨🇦 Canada	2	5–10%
	Townsend's Vole			Insufficient data
	Deer Mouse			Insufficient data
88	Joshua Tree National Park	🇺🇸 United States	1	5–10%
	Desert Woodrat			5–10%
89	Farallones de Cali National Natural Park	🇨🇴 Colombia	1	5–10%
	Dusky Rice Rat			Insufficient data
90	Galápagos Islands	🇪🇨 Ecuador	2	5–10%
	Galápagos Rice Rat			<5%
	Fernandina Galápagos Mouse			Insufficient data
91	Palo Verde National Park	🇨🇷 Costa Rica	1	<5%
	Big-eared Climbing Rat			Insufficient data
92	Machalilla National Park	🇪🇨 Ecuador	1	<5%
	Peruvian cotton rat			Insufficient data
93	Los Nevados National Natural Park	🇨🇴 Colombia	2	<5%
	Mount Pirri climbing mouse			Insufficient data
	🐒 Delicate Pygmy Rice Rat			Insufficient data
94	Tapantí-Macizo de la Muerte National Park	🇨🇷 Costa Rica	2	<5%
	Mexican Deer Mouse			Insufficient data
	Alston's Brown Mouse			Insufficient data
95	Cévennes National Park	🇫🇷 France	1	<5%
	Bank Vole			Insufficient data
96	Iberá National Park	🇦🇷 Argentina	1	<5%
	black-footed pygmy rice rat			Insufficient data
97	El Vizcaíno Biosphere Reserve	🇲🇽 Mexico	1	<5%
	Coronados Island Woodrat			Insufficient data
98	Zion National Park	🇺🇸 United States	1	<5%
	Desert Woodrat			Insufficient data
99	Ría Lagartos Biosphere Reserve	🇲🇽 Mexico	1	<5%
	Yucatán Deer Mouse			Insufficient data
100	Arrecifes de Cozumel National Park	🇲🇽 Mexico	1	<5%
	Coues' Rice Rat			Insufficient data
101	Doñana National Park	🇪🇸 Spain	1	<5%
	Southwestern Water Vole			Insufficient data
102	Taroko National Park	🇹🇼 Taiwan	1	<5%
	Père David's Vole			Insufficient data
103	Darién National Park	🇵🇦 Panama	1	<5%
	Bolivar rice rat			Insufficient data
104	Congaree National Park	🇺🇸 United States	1	<5%
	Hispid Cotton Rat			Insufficient data
105	Montes Azules Biosphere Reserve	🇲🇽 Mexico	1	<5%
	Sumichrast's Vesper Rat			Insufficient data
106	Carara National Park	🇨🇷 Costa Rica	1	<5%
	Sumichrast's Vesper Rat			Insufficient data
107	Sierra Nevada National Park	🇪🇸 Spain	1	<5%
	Southwestern Water Vole			Insufficient data
108	Iguaçu National Park	🇧🇷 Brazil	1	<5%
	Paraguayan rice rat			Insufficient data
109	Corcovado National Park	🇨🇷 Costa Rica	1	<5%
	Sumichrast's Vesper Rat			Insufficient data
110	Sierra de Guadarrama National Park	🇪🇸 Spain	1	<5%
	European Snow Vole			Insufficient data