Black Oystercatcher

Black Oystercatcher

Haematopus bachmani

10–20% · Possible
overall probability at Katmai National Park

📅 Monthly Probability

10–20
Jan
10–20
Feb
10–20
Mar
10–20
Apr
10–20
May
0–10
Jun
10–20
Jul
30–40
Aug
0–10
Sep
10–20
Oct
10–20
Nov
10–20
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 Pacific Rim National Park Reserve 🇨🇦 Canada
40–50%
2 Kenai Fjords National Park 🇺🇸 United States
30–40%
3 Katmai National Park 🇺🇸 United States
10–20%
4 Redwood National Park 🇺🇸 United States
10–20%
5 Channel Islands National Park 🇺🇸 United States
10–20%
6 Olympic National Park 🇺🇸 United States
10–20%
7 Great Bear Rainforest 🇨🇦 Canada
0–10%
8 El Vizcaíno Biosphere Reserve 🇲🇽 Mexico
0–10%
9 Kluane National Park 🇨🇦 Canada
Insufficient data
10 Wrangell-St. Elias National Park 🇺🇸 United States
Insufficient data

Quick answers

What are the chances of seeing a Black Oystercatcher in Katmai National Park?

About 16% of visitor-days record a Black Oystercatcher sighting in Katmai National Park, based on 26 observer-days of citizen-science data from GBIF.

When is the best time to see Black Oystercatcher in Katmai National Park?

August has the highest sighting rate for Black Oystercatcher in Katmai National Park in our monthly data.

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