Mistletoe Tyrannulet
Zimmerius vilissimus
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderPasseriformes
- FamilyTyrannidae (Tirànids)
- GenusZimmerius (Zimmerius Tyrannulets)
- SpeciesZimmerius vilissimus (Mistletoe Tyrannulet)
Closest Relatives at Irazú Volcano National Park
Mountain Elaenia
Elaenia frantzii
Black-capped Flycatcher
Empidonax atriceps
Tropical Kingbird
Tyrannus melancholicus
Olive-sided Flycatcher
Contopus cooperi
Social Flycatcher
Myiozetetes similis
Yellowish Flycatcher
Empidonax flavescens
Black Phoebe
Sayornis nigricans
Eastern Wood-Pewee
Contopus virens
Great Kiskadee
Pitangus sulphuratus
Dark Pewee
Contopus lugubris
Yellow-bellied Elaenia
Elaenia flavogaster
Dusky-capped Flycatcher
Myiarchus tuberculifer
📅 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 Mistletoe Tyrannulet in Irazú Volcano National Park?
About 2% of visitor-days record a Mistletoe Tyrannulet sighting in Irazú Volcano National Park, based on 9 observer-days of citizen-science data from GBIF.
When is the best time to see Mistletoe Tyrannulet in Irazú Volcano National Park?
August has the highest sighting rate for Mistletoe Tyrannulet in Irazú Volcano National Park in our monthly data.