Mistletoe Tyrannulet
Zimmerius vilissimus
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderPasseriformes
- FamilyTyrannidae (Tirànids)
- GenusZimmerius (Zimmerius Tyrannulets)
- SpeciesZimmerius vilissimus (Mistletoe Tyrannulet)
Closest Relatives at Poás Volcano National Park
Mountain Elaenia
Elaenia frantzii
Black-capped Flycatcher
Empidonax atriceps
Tropical Kingbird
Tyrannus melancholicus
Yellowish Flycatcher
Empidonax flavescens
Olive-striped Flycatcher (Olive-streaked)
Mionectes olivaceus
Great Kiskadee
Pitangus sulphuratus
Dark Pewee
Contopus lugubris
Tufted Flycatcher
Mitrephanes phaeocercus
Olive-sided Flycatcher
Contopus cooperi
Black Phoebe
Sayornis nigricans
Social Flycatcher
Myiozetetes similis
Yellow-bellied Elaenia
Elaenia flavogaster
📅 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 Poás Volcano National Park?
About 4% of visitor-days record a Mistletoe Tyrannulet sighting in Poás Volcano National Park, based on 13 observer-days of citizen-science data from GBIF.
When is the best time to see Mistletoe Tyrannulet in Poás Volcano National Park?
June has the highest sighting rate for Mistletoe Tyrannulet in Poás Volcano National Park in our monthly data.