Pacific-slope Flycatcher

Pacific-slope Flycatcher

Empidonax difficilis

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered Endemic
20–30% · Possible
overall probability at Redwood National Park

📅 Monthly Probability

<5
Jan
<5
Feb
<5
Mar
30–40
Apr
50–60
May
50–60
Jun
50–60
Jul
0–10
Aug
0–10
Sep
<5
Oct
<5
Nov
<5
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 Redwood National Park 🇺🇸 United States
20–30%
2 Pacific Rim National Park Reserve 🇨🇦 Canada
20–30%
3 Yosemite National Park 🇺🇸 United States
20–30%
4 Rocky Mountain National Park 🇺🇸 United States
10–20%
5 Great Bear Rainforest 🇨🇦 Canada
10–20%
6 Reserva de la Biosfera Mariposa Monarca 🇲🇽 Mexico
10–20%
7 Channel Islands National Park 🇺🇸 United States
10–20%
8 Olympic National Park 🇺🇸 United States
10–20%
9 Guadalupe Mountains National Park 🇺🇸 United States
10–20%
10 Sequoia and Kings Canyon National Parks 🇺🇸 United States
10–20%
11 El Vizcaíno Biosphere Reserve 🇲🇽 Mexico
0–10%
12 Cumbres de Monterrey National Park 🇲🇽 Mexico
0–10%
13 Big Bend National Park 🇺🇸 United States
0–10%
14 Zion National Park 🇺🇸 United States
0–10%
15 Glacier National Park 🇺🇸 United States
0–10%
16 Banff National Park 🇨🇦 Canada
<5%
17 Bahía de Loreto National Park 🇲🇽 Mexico
<5%
18 Jasper National Park 🇨🇦 Canada
<5%
19 Yellowstone National Park 🇺🇸 United States
<5%
20 Grand Teton National Park 🇺🇸 United States
<5%
21 Grand Canyon National Park 🇺🇸 United States
<5%
22 Death Valley National Park 🇺🇸 United States
<5%
23 Joshua Tree National Park 🇺🇸 United States
<5%
24 Great Smoky Mountains National Park 🇺🇸 United States
Insufficient data
25 Badlands National Park 🇺🇸 United States
Insufficient data

Quick answers

What are the chances of seeing a Pacific-slope Flycatcher in Redwood National Park?

About 26% of visitor-days record a Pacific-slope Flycatcher sighting in Redwood National Park, based on 569 observer-days of citizen-science data from GBIF.

When is the best time to see Pacific-slope Flycatcher in Redwood National Park?

May has the highest sighting rate for Pacific-slope Flycatcher in Redwood National Park in our monthly data.

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