Harlequin Duck

Harlequin Duck

Histrionicus histrionicus

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

📅 Monthly Probability

70–80
Jan
80–90
Feb
80–90
Mar
30–40
Apr
20–30
May
20–30
Jun
20–30
Jul
10–20
Aug
10–20
Sep
50–60
Oct
80–90
Nov
80–90
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 Thingvellir National Park 🇮🇸 Iceland
50–60%
2 Vatnajokull National Park 🇮🇸 Iceland
30–40%
3 Katmai National Park 🇺🇸 United States
20–30%
4 Great Bear Rainforest 🇨🇦 Canada
10–20%
5 Yellowstone National Park 🇺🇸 United States
10–20%
6 Olympic National Park 🇺🇸 United States
10–20%
7 Kenai Fjords National Park 🇺🇸 United States
10–20%
8 Pacific Rim National Park Reserve 🇨🇦 Canada
10–20%
9 Cape Breton Highlands National Park 🇨🇦 Canada
0–10%
10 Denali National Park 🇺🇸 United States
0–10%
11 Gros Morne National Park 🇨🇦 Canada
<5%
12 Acadia National Park 🇺🇸 United States
<5%
13 Jasper National Park 🇨🇦 Canada
<5%
14 Kluane National Park 🇨🇦 Canada
<5%
15 Wrangell-St. Elias National Park 🇺🇸 United States
<5%
16 Glacier National Park 🇺🇸 United States
<5%
17 Banff National Park 🇨🇦 Canada
<5%
18 Gates of the Arctic National Park 🇺🇸 United States
Insufficient data
19 Nahanni National Park 🇨🇦 Canada
Insufficient data
20 Redwood National Park 🇺🇸 United States
Insufficient data
21 Grand Teton National Park 🇺🇸 United States
Insufficient data

Quick answers

What are the chances of seeing a Harlequin Duck in Vatnajokull National Park?

About 34% of visitor-days record a Harlequin Duck sighting in Vatnajokull National Park, based on 751 observer-days of citizen-science data from GBIF.

When is the best time to see Harlequin Duck in Vatnajokull National Park?

December has the highest sighting rate for Harlequin Duck in Vatnajokull National Park in our monthly data.

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