Pacific-slope Flycatcher
Empidonax difficilis
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderPasseriformes
- FamilyTyrannidae (Tirànids)
- GenusEmpidonax (Empidonax Flycatchers)
- SpeciesEmpidonax difficilis (Pacific-slope Flycatcher)
Closest Relatives at Big Bend National Park
Dusky Flycatcher
Empidonax oberholseri
Gray Flycatcher
Empidonax wrightii
Cordilleran Flycatcher
Empidonax occidentalis
Hammond's Flycatcher
Empidonax hammondii
Willow Flycatcher
Empidonax traillii
Least Flycatcher
Empidonax minimus
Ash-throated Flycatcher
Myiarchus cinerascens
Say's Phoebe
Sayornis saya
Vermilion Flycatcher
Pyrocephalus rubinus
Black Phoebe
Sayornis nigricans
Western Wood-Pewee
Contopus sordidulus
Western Kingbird
Tyrannus verticalis
📅 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 Big Bend National Park?
About 7% of visitor-days record a Pacific-slope Flycatcher sighting in Big Bend National Park, based on 304 observer-days of citizen-science data from GBIF.
When is the best time to see Pacific-slope Flycatcher in Big Bend National Park?
May has the highest sighting rate for Pacific-slope Flycatcher in Big Bend National Park in our monthly data.