Bonaparte's Gull

Bonaparte's Gull

Chroicocephalus philadelphia

20–30% · Possible
overall probability at Katmai National Park

📅 Monthly Probability

20–30
Jan
20–30
Feb
10–20
Mar
20–30
Apr
20–30
May
30–40
Jun
10–20
Jul
10–20
Aug
20–30
Sep
20–30
Oct
20–30
Nov
20–30
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 Point Pelee National Park 🇨🇦 Canada
50–60%
2 Katmai National Park 🇺🇸 United States
20–30%
3 Elk Island National Park 🇨🇦 Canada
10–20%
4 Great Bear Rainforest 🇨🇦 Canada
10–20%
5 El Vizcaíno Biosphere Reserve 🇲🇽 Mexico
10–20%
6 Wood Buffalo National Park 🇨🇦 Canada
10–20%
7 Channel Islands National Park 🇺🇸 United States
10–20%
8 Kluane National Park 🇨🇦 Canada
0–10%
9 Kenai Fjords National Park 🇺🇸 United States
0–10%
10 Celestún Biosphere Reserve 🇲🇽 Mexico
0–10%
11 Riding Mountain National Park 🇨🇦 Canada
0–10%
12 Acadia National Park 🇺🇸 United States
<5%
13 Wrangell-St. Elias National Park 🇺🇸 United States
<5%
14 Death Valley National Park 🇺🇸 United States
<5%
15 Pacific Rim National Park Reserve 🇨🇦 Canada
<5%
16 Olympic National Park 🇺🇸 United States
<5%
17 Wadden Sea National Park 🇩🇪 Germany
<5%
18 Redwood National Park 🇺🇸 United States
<5%
19 Bahía de Loreto National Park 🇲🇽 Mexico
<5%
20 Cape Breton Highlands National Park 🇨🇦 Canada
<5%
21 Everglades National Park 🇺🇸 United States
<5%
22 Jasper National Park 🇨🇦 Canada
<5%
23 Banff National Park 🇨🇦 Canada
<5%
24 Shenandoah National Park 🇺🇸 United States
<5%
25 Ciénaga de Zapata 🇨🇺 Cuba
<5%
26 Glacier National Park 🇺🇸 United States
<5%
27 Rocky Mountain National Park 🇺🇸 United States
<5%
28 Nahanni National Park 🇨🇦 Canada
Insufficient data
29 Isla del Coco National Park 🇨🇷 Costa Rica
Insufficient data
30 Voyageurs National Park 🇺🇸 United States
Insufficient data
31 Isle Royale National Park 🇺🇸 United States
Insufficient data
32 Ría Lagartos Biosphere Reserve 🇲🇽 Mexico
Insufficient data
33 Sequoia and Kings Canyon National Parks 🇺🇸 United States
Insufficient data
34 Yellowstone National Park 🇺🇸 United States
Insufficient data
35 Cumbres de Monterrey National Park 🇲🇽 Mexico
Insufficient data
36 Las Baulas Marine National Park 🇨🇷 Costa Rica
Insufficient data
37 Badlands National Park 🇺🇸 United States
Insufficient data
38 Grand Teton National Park 🇺🇸 United States
Insufficient data
39 Vatnajokull National Park 🇮🇸 Iceland
Insufficient data
40 Great Smoky Mountains National Park 🇺🇸 United States
Insufficient data

Quick answers

What are the chances of seeing a Bonaparte's Gull in Katmai National Park?

About 20% of visitor-days record a Bonaparte's Gull sighting in Katmai National Park, based on 34 observer-days of citizen-science data from GBIF.

When is the best time to see Bonaparte's Gull in Katmai National Park?

June has the highest sighting rate for Bonaparte's Gull in Katmai National Park in our monthly data.

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