Northern River Otter

Closest Relatives at Isle Royale National Park

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Global Distribution

Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.

where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is)  ·  parks where it occurs — tap a pin for the sighting probability there

Parks Where Found

#	Park	Country	Probability
1	Redwood National Park	🇺🇸 United States	30–40%
2	Isle Royale National Park	🇺🇸 United States	30–40%
3	Congaree National Park	🇺🇸 United States	20–30%
4	Pacific Rim National Park Reserve	🇨🇦 Canada	20–30%
5	Voyageurs National Park	🇺🇸 United States	20–30%
6	Olympic National Park	🇺🇸 United States	20–30%
7	Great Bear Rainforest	🇨🇦 Canada	20–30%
8	Gros Morne National Park	🇨🇦 Canada	10–20%
9	Grand Teton National Park	🇺🇸 United States	10–20%
10	Great Smoky Mountains National Park	🇺🇸 United States	10–20%
11	Riding Mountain National Park	🇨🇦 Canada	10–20%
12	Yellowstone National Park	🇺🇸 United States	10–20%
13	Acadia National Park	🇺🇸 United States	10–20%
14	Jasper National Park	🇨🇦 Canada	10–20%
15	Banff National Park	🇨🇦 Canada	0–10%
16	Rocky Mountain National Park	🇺🇸 United States	0–10%
17	Shenandoah National Park	🇺🇸 United States	0–10%
18	Everglades National Park	🇺🇸 United States	<5%
19	Kenai Fjords National Park	🇺🇸 United States	Insufficient data
20	Nahanni National Park	🇨🇦 Canada	Insufficient data
21	Kluane National Park	🇨🇦 Canada	Insufficient data
22	Katmai National Park	🇺🇸 United States	Insufficient data
23	Wrangell-St. Elias National Park	🇺🇸 United States	Insufficient data
24	Cape Breton Highlands National Park	🇨🇦 Canada	Insufficient data
25	Yosemite National Park	🇺🇸 United States	Insufficient data
26	Glacier National Park	🇺🇸 United States	Insufficient data
27	Point Pelee National Park	🇨🇦 Canada	Insufficient data
28	Denali National Park	🇺🇸 United States	Insufficient data
29	Big Bend National Park	🇺🇸 United States	Insufficient data

Quick answers

What are the chances of seeing a Northern River Otter in Isle Royale National Park?

About 34% of visitor-days record a Northern River Otter sighting in Isle Royale National Park, based on 23 observer-days of citizen-science data from GBIF.

When is the best time to see Northern River Otter in Isle Royale National Park?

March has the highest sighting rate for Northern River Otter in Isle Royale National Park in our monthly data.