Straneck's Tyrannulet
Serpophaga griseicapilla
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderPasseriformes
- FamilyTyrannidae (Tirànids)
- GenusSerpophaga (Riverine Tyrannulets and Allies)
- SpeciesSerpophaga griseicapilla (Straneck's Tyrannulet)
Straneck's tyrannulet (Serpophaga griseicapilla), also known as the monte tyrannulet and grey-crowned tyrannulet, is a small species of bird in the family Tyrannidae, the tyrant flycatchers. It is found in Argentina, Bolivia, Brazil, Paraguay, and Uruguay. Wikipedia →
<5% of wildlife watchers report a Straneck's Tyrannulet sighting in Península Valdés, based on 5 days of visitor records from GBIF citizen-science data.
Closest Relatives at Península Valdés
White-crested Tyrannulet
Serpophaga subcristata
Lesser Shrike-Tyrant
Agriornis murinus
Gray-bellied Shrike-Tyrant
Agriornis micropterus
Tufted Tit-Tyrant
Anairetes parulus
Rusty-backed Monjita
Xolmis rubetra
Vermilion Flycatcher
Pyrocephalus rubinus
Austral Negrito
Lessonia rufa
Fork-tailed Flycatcher
Tyrannus savana
Crowned Slaty Flycatcher
Empidonomus aurantioatrocristatus
Dark-faced Ground-Tyrant
Muscisaxicola maclovianus
Great Kiskadee
Pitangus sulphuratus
Chocolate-vented Tyrant
Neoxolmis rufiventris
📅 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
| # | Park | Country | Probability |
|---|---|---|---|
| 1 | El Impenetrable National Park | 🇦🇷 Argentina | |
| 2 | Península Valdés | 🇦🇷 Argentina | |
| 3 | Iberá National Park | 🇦🇷 Argentina | |
| 4 | Noel Kempff Mercado National Park | 🇧🇴 Bolivia | |
| 5 | El Palmar National Park | 🇦🇷 Argentina |
Quick answers
What are the chances of seeing a Straneck's Tyrannulet in Península Valdés?
About 1% of wildlife watchers report a Straneck's Tyrannulet sighting in Península Valdés, based on 5 days of visitor records from GBIF citizen-science data.
When is the best time to see Straneck's Tyrannulet in Península Valdés?
January has the highest sighting rate for Straneck's Tyrannulet in Península Valdés in our monthly data.