Grass Wren
Cistothorus platensis
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderPasseriformes
- FamilyTroglodytidae (Wrens)
- GenusCistothorus (Marsh Wrens and Allies)
- SpeciesCistothorus platensis (Grass Wren)
Closest Relatives at Iberá National Park
Southern House Wren
Troglodytes musculus
Great Kiskadee
Pitangus sulphuratus
Rufous Hornero
Furnarius rufus
Brazilian Cardinal
Paroaria coronata
Cattle Tyrant
Machetornis rixosa
Great Pampa-Finch
Embernagra platensis
Greater Thornbird
Phacellodomus ruber
Rufous-collared Sparrow
Zonotrichia capensis
Rufous-bellied Thrush
Turdus rufiventris
Sayaca Tanager
Thraupis sayaca
Blue-gray Saltator
Saltator coerulescens
White Monjita
Xolmis irupero
📅 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 Grass Wren in Iberá National Park?
About 1% of visitor-days record a Grass Wren sighting in Iberá National Park, based on 12 observer-days of citizen-science data from GBIF.
When is the best time to see Grass Wren in Iberá National Park?
November has the highest sighting rate for Grass Wren in Iberá National Park in our monthly data.