UC IUCN · LC · Least Concern Passeriformes Troglodytidae

Grass Wren

Cistothorus platensis

UCIOC 8627

Grass Wren

Cistothorus platensis

Passeriformes · Troglodytidae

Grass Wren (Cistothorus platensis).

ATK77

DEF58

XC242426 · Niels Krabbe · CC BY-SA 4.0

8496 / 11068

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Illustration · not to scale

Body length: 10–10.5 cm
Body Mass: 9 g
Diet: Invertebrates
Migration: Partially migratory

⚔️ Ecological Combat Rationale

ATK 77

Ecomorphologically adapted beak and agile strike momentum tailored to its foraging competition niche (ATK 77).

DEF 58

Lightweight agility and protective plumage camouflage favoring rapid evasive maneuverability over raw armor (DEF 58).

* These descriptions interpret game abilities, not measured physical strength. Generated scores use body mass, rarity and balancing rules; legacy cards retain manual values.

How to identify

Detailed field marks are not yet available. Use the linked sources to confirm an identification.

Similar species

Species-specific comparison notes are not yet available. Related birds below are not necessarily lookalikes.

Calls & songs

Niels Krabbe · Sources & credits

🌍 Range & Habitat

Distribution: Middle America & South America: widespread Habitat: Grassland & Savanna

17 · Subspecies & regional ranges

Cistothorus platensis tinnulus
w Mexico
Cistothorus platensis potosinus
San Luis Potosí (c Mexico)
Cistothorus platensis jalapensis
c Veracruz (e Mexico)
Cistothorus platensis warneri
lowlands of Veracruz, Tabasco and Chiapas (se Mexico)
Cistothorus platensis russelli
Belize
Cistothorus platensis elegans
s Mexico and Guatemala
Cistothorus platensis graberi
se Honduras and ne Nicaragua
Cistothorus platensis lucidus
Costa Rica and w Panama
Cistothorus platensis alticola
n Colombia through Venezuela to w Guyana
Cistothorus platensis aequatorialis
wc Colombia to c Peru
Cistothorus platensis graminicola
sc Peru
Cistothorus platensis minimus
s Peru to s Bolivia
Cistothorus platensis polyglottus
se Brazil, Paraguay and ne Argentina
Cistothorus platensis tucumanus
s Bolivia and nw Argentina
Cistothorus platensis platensis
c, e Argentina
Cistothorus platensis hornensis
c, s Chile and s Argentina
Cistothorus platensis falklandicus
Falkland Is.