Quiller

Quiller

Erethizon dorsatus

Silhouette: PhyloPic

Daily sighting probability <5% · Rare
at San Antonio

In 3 days ~10% in a week ~20%

18 Verified sightings at San Antonio
449 In all 12 parks From 2019 to 2026
August 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 San Antonio?

Rare

Under 5% of wildlife watchers report a Quiller sighting in San Antonio on a given day, based on 18 verified sightings from GBIF citizen-science data. It is the 13th most-seen of the 17 mammals we can rate there. Over three days the chance rises to about 10%, and over a week to about 20%, if each day is a fresh chance.

When is the best time to see a Quiller in San Antonio?

August and October–November

In those months about 10% of wildlife watchers report a Quiller in San Antonio on a given day, against under 5% in September and December–July, 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 San Antonio the best place to see a Quiller?

4th of 4

Of the 4 cities where we can rate Quiller sightings, San Antonio ranks 4th at under 5%. The best odds are in Calgary (Canada, about 20%), Edmonton (Canada, about 10%) and Austin (United States, about 10%).

Which relatives of the Quiller live in San Antonio?

Same order: Rodentia

The closest relatives of the Quiller that you can see in San Antonio (order Rodentia, Rodents) are Fox Squirrel (about 70%), Rock Squirrel (about 20%) and Coypu (about 10%), 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 San Antonio (18 verified sightings), 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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