Willow Flycatcher
Empidonax traillii
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderPasseriformes
- FamilyTyrannidae (Tirànids)
- GenusEmpidonax (Empidonax Flycatchers)
- SpeciesEmpidonax traillii (Willow Flycatcher)
Closest Relatives at Channel Islands National Park
Pacific-slope Flycatcher
Empidonax difficilis
Yellow-bellied Flycatcher
Empidonax flaviventris
Least Flycatcher
Empidonax minimus
Gray Flycatcher
Empidonax wrightii
Hammond's Flycatcher
Empidonax hammondii
Black Phoebe
Sayornis nigricans
Say's Phoebe
Sayornis saya
Cassin's Kingbird
Tyrannus vociferans
Ash-throated Flycatcher
Myiarchus cinerascens
Scissor-tailed Flycatcher
Tyrannus forficatus
Vermilion Flycatcher
Pyrocephalus rubinus
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 Willow Flycatcher in Channel Islands National Park?
About 1% of visitor-days record a Willow Flycatcher sighting in Channel Islands National Park, based on 53 observer-days of citizen-science data from GBIF.
When is the best time to see Willow Flycatcher in Channel Islands National Park?
September has the highest sighting rate for Willow Flycatcher in Channel Islands National Park in our monthly data.