Quiller

Quiller

Erethizon dorsatus

Silhouette: PhyloPic

Daily sighting probability ~40% · Likely
at Acadia National Park

In 3 days ~80% in a week >90%

206 Verified sightings at Acadia National Park From 2019 to 2026
449 In all 12 parks
November Best month
☀️🌙 Day & Night When it's spotted

Sounds

Recording0:18

Canada · 2021

© Stewart Zeyl · iNaturalist · CC BY-NC 4.0

Recording0:45

United States · 2024

© Desiree L. Narango · iNaturalist · CC BY 4.0

Recording0:10

Canada · 2017

© Ellen U. · iNaturalist · CC BY-NC 4.0

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Denali National Park 🇺🇸 United States
~50%
2 Acadia National Park 🇺🇸 United States
~40%
3 Katmai National Park 🇺🇸 United States
~30%
4 Elk Island National Park 🇨🇦 Canada
~30%
5 Kluane National Park 🇨🇦 Canada
~30%
6 Badlands National Park 🇺🇸 United States
~20%
7 Banff National Park 🇨🇦 Canada
~20%
8 Jasper National Park 🇨🇦 Canada
~10%
9 Grand Teton National Park 🇺🇸 United States
~10%
10 Zion National Park 🇺🇸 United States
~10%
11 Yellowstone National Park 🇺🇸 United States
~10%
12 Great Bear Rainforest 🇨🇦 Canada
<5%

Cities Where Found

# City Country Daily sighting probability
1 Calgary 🇨🇦 Canada
~20%
2 Edmonton 🇨🇦 Canada
~10%
3 Austin 🇺🇸 United States
~10%
4 San Antonio 🇺🇸 United States
<5%

Before you go

What are the chances of seeing a Quiller in Acadia National Park?

Likely

About 40% of wildlife watchers report a Quiller sighting in Acadia National Park on a given day, based on 206 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 3rd most-seen of the 24 mammals we can rate there. Over three days the chance rises to about 80%, and over a week to over 90%, if each day is a fresh chance.

When is the best time to see a Quiller in Acadia National Park?

November

In that month about 70% of wildlife watchers report a Quiller in Acadia National Park on a given day, against about 20% in February and March, the lowest months.

What time of day is best to see a Quiller?

Between 7 and 10 pm

Across all the parks we cover, that three-hour window holds the most Quiller sightings with a recorded time, and about half of them come between 6 pm and 6 am: it is seen both by day and at night.

Is Acadia National Park the best place to see a Quiller?

2nd of 12

Of the 12 parks where we can rate Quiller sightings, Acadia National Park ranks 2nd at about 40%. The best odds are in Denali National Park (United States, about 50%). All parks ranked.

Which relatives of the Quiller live in Acadia National Park?

Same order: Rodentia

The closest relatives of the Quiller that you can see in Acadia National Park (order Rodentia, Rodents) are American Red Squirrel (about 60%), Eastern Chipmunk (about 30%) and American Beaver (about 30%), with each one's daily chance of a sighting.

Where does the Quiller sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Quiller is recorded against all the mammals logged in Acadia National Park (206 verified sightings from 2019 to 2026), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.

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