Pacific-slope Flycatcher
Empidonax difficilis
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderPasseriformes
- FamilyTyrannidae (Tirànids)
- GenusEmpidonax (Empidonax Flycatchers)
- SpeciesEmpidonax difficilis (Pacific-slope Flycatcher)
The western flycatcher (Empidonax difficilis) is a small insectivorous bird in the family Tyrannidae. It is native to western North America, where it breeds in the Rocky Mountains and Pacific Coast forests and mountain ranges from California to Alaska and south to central Mexico; northern populations migrate south to Mexico for the winter. Wikipedia →
10–20% of wildlife watchers report a Pacific-slope Flycatcher sighting in Olympic National Park, based on 4,579 days of visitor records from GBIF citizen-science data.
Closest Relatives at Olympic National Park
Willow Flycatcher
Empidonax traillii
Hammond's Flycatcher
Empidonax hammondii
Alder Flycatcher
Empidonax alnorum
Dusky Flycatcher
Empidonax oberholseri
Least Flycatcher
Empidonax minimus
Olive-sided Flycatcher
Contopus cooperi
Western Wood-Pewee
Contopus sordidulus
Tropical Kingbird
Tyrannus melancholicus
Western Kingbird
Tyrannus verticalis
Eastern Kingbird
Tyrannus tyrannus
Say's Phoebe
Sayornis saya
Black Phoebe
Sayornis nigricans
📅 Monthly Probability
☀️ When They're Spotted
Most active during daytime hours (6am–6pm) · across all parks (global)
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
Quick answers
What are the chances of seeing a Pacific-slope Flycatcher in Olympic National Park?
About 12% of wildlife watchers report a Pacific-slope Flycatcher sighting in Olympic National Park, based on 4,579 days of visitor records from GBIF citizen-science data.
When is the best time to see Pacific-slope Flycatcher in Olympic National Park?
June has the highest sighting rate for Pacific-slope Flycatcher in Olympic National Park in our monthly data.