Giant Otter

Giant Otter

Pteronura brasiliensis

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
30–40% · Possible
overall probability at Yasuní National Park

📅 Monthly Probability

30–40
Jan
30–40
Feb
40–50
Mar
30–40
Apr
20–30
May
10–20
Jun
<5
Jul
50–60
Aug
30–40
Sep
20–30
Oct
20–30
Nov
30–40
Dec

☀️ When They're Spotted

Most active during daytime hours (6am–6pm) · across all parks (global)

☀️Diurnal
☀️🌙🌙12am6am12pm6pm12am

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 Parque Estadual Encontro das Águas 🇧🇷 Brazil
60–70%
2 Madidi National Park 🇧🇴 Bolivia
40–50%
3 Cuyabeno Wildlife Reserve 🇪🇨 Ecuador
30–40%
4 Yasuní National Park 🇪🇨 Ecuador
30–40%
5 Tambopata National Reserve 🇵🇪 Peru
30–40%
6 Manu National Park 🇵🇪 Peru
20–30%
7 Noel Kempff Mercado National Park 🇧🇴 Bolivia
Insufficient data
8 Anavilhanas National Park 🇧🇷 Brazil
Insufficient data
9 Amacayacu National Natural Park 🇨🇴 Colombia
Insufficient data
10 Iberá National Park 🇦🇷 Argentina
Insufficient data

Quick answers

What are the chances of seeing a Giant Otter in Yasuní National Park?

About 31% of visitor-days record a Giant Otter sighting in Yasuní National Park, based on 51 observer-days of citizen-science data from GBIF.

When is the best time to see Giant Otter in Yasuní National Park?

August has the highest sighting rate for Giant Otter in Yasuní National Park in our monthly data.

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