Grass Wren (Cistothorus platensis)
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Grass Wren

Cistothorus platensis (Latham, 1790)

10–10 cmLength9 gWeight

The grass wren (Cistothorus platensis) is a species of passerine bird in the family Troglodytidae.

Busiest months: April–May · Most records: United States, Ecuador, Canada

Least Concern

Where and when it's recorded

Busiest months: April–May · Most records: United States, Ecuador, Canada

Grass Wren has been recorded at 514 of the 8,276 birding hotspots we track, in 17 countries and regions.

Records by month Northern Hemisphere

Where it's recorded most

  1. Jocelyn Nungaray NWR (Anahuac)United States2,578 records
  2. Lake Apopka North Shore – Orange County sectionUnited States1,558 records
  3. Lake Apopka Wildlife DriveUnited States1,529 records
More places
  1. Sweetwater Wetlands ParkUnited States1,375 records
  2. Montrose Point Bird Sanctuary, Lincoln Park, ChicagoUnited States1,288 records
  3. Galveston Island SPUnited States1,095 records
  4. St. Marks NWRUnited States1,082 records
  5. Sabine WoodsUnited States988 records
  6. San Martín de los Andes – Reserva Natural Urbana CotesmaArgentina933 records
  7. Hacienda El BosqueColombia928 records

Countries and regions with the most records

United StatesEcuadorCanadaColombiaChileArgentinaFalkland IslandsMexico

eBird records via GBIF up to 2024-12-31. A record means someone listed it; more records partly mean more birders, not more birds.

About

The grass wren (Cistothorus platensis) is a species of passerine bird in the family Troglodytidae. It is widely distributed in central and southern America.

Excerpt from Wikipedia, CC BY-SA 4.0 · authors · Read more on Wikipedia

Questions

How big is the Grass Wren?

The Grass Wren is about 10–10 cm long and weighs around 9 g.

Where does the Grass Wren live?

Its breeding range: Middle America, South America: widespread. It is most often recorded in United States, Ecuador and Canada.

When is the best time to see the Grass Wren?

At the hotspots we track, it is recorded most in April and May (Northern Hemisphere).

Is the Grass Wren endangered?

The IUCN Red List classifies the Grass Wren as Least Concern.

What does the Grass Wren eat?

Main food: Insects & other invertebrates.

What family is the Grass Wren in?

It belongs to the family Wrens (Troglodytidae), order Passerines (Passeriformes).

At a glance

Length
10–10 cm
Weight
9 g
Habitat
Grassland
Diet
Insects & other invertebrates
Lifestyle
Perches in trees
Migration
Partial migrant
Conservation
Least Concern
More measurements
Wing
46 mm
Tail
47 mm
Bill
15 mm
Tarsus
20 mm

Averages from the AVONET dataset; length from field guides where available.

Range

Middle America, South America: widespread

Breeding range, IOC World Bird List 15.2

Classification

Order
Passerines Passeriformes
Family
Wrens Troglodytidae
Genus
Cistothorus

Other birds in the genus Cistothorus

Sedge WrenSedge WrenCistothorus stellarisMerida WrenMerida WrenCistothorus meridaeApolinar's WrenApolinar's WrenCistothorus apolinariMarsh WrenMarsh WrenCistothorus palustrisWhite-headed WrenWhite-headed WrenCampylorhynchus albobrunneusBand-backed WrenBand-backed WrenCampylorhynchus zonatusGrey-barred WrenGrey-barred WrenCampylorhynchus megalopterusStripe-backed WrenStripe-backed WrenCampylorhynchus nuchalisFasciated WrenFasciated WrenCampylorhynchus fasciatusGiant WrenGiant WrenCampylorhynchus chiapensis
Grass Wren

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Free to use with credit: “Illustration: Bird Album (birdalbum.com)”. Drawn by AI from a reference photo by Attila Steiner. ↗

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