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Nearby · Lake Co.
Eastern Marsh Wren (Cistothorus palustris)
(c) Alex Stach, some rights reserved (CC BY), uploaded by Alex Stach · CC BY 4.0 (opens in a new tab) · iNaturalist (opens in a new tab)
BirdsIn Lake County, Ohio

Eastern Marsh Wren

Cistothorus palustris (A. Wilson, 1810)

Eastern Marsh Wren in all of Ohio
Kingdom
Animalia
Phylum
Chordata
Class
Aves
Order
Passeriformes
Family
Troglodytidae
Genus
Cistothorus

Conservation status

Species of concern in Ohio (Ohio Division of Wildlife, June 2026)

Ohio's Division of Wildlife names it as one that might become threatened in Ohio under continued or increased stress, or one it has some concern for but too little information to judge. It is not listed as endangered or threatened.

Near Lake County

Range

Where it is recorded

Season shown in 0 of Ohio's 88 counties. Its mapped range covers 88. Explore Ohio

  • No result yet (0)
  • Within its mapped range (65)
  • Recorded, too few records for a result (21)
  • Recorded, season not shown (2)
  • Season shown (0)
Boundaries: U.S. Census Bureau, 2025 Cartographic Boundary Files, 1:500,000. Range: USGS Gap Analysis Project, Species Range Maps CONUS_2001 (2018). Show as a table
Counties as a table
Eastern Marsh Wren by Ohio county: records and mapped range
CountyRecordsIn mapped range
Adams CountyNo qualifying records yetYes: migration
Allen CountyNo qualifying records yetYes: summer
Ashland CountyNo qualifying records yetYes: summer
Ashtabula CountyNo qualifying records yetYes: summer
Athens CountyNo qualifying records yetYes: migration
Auglaize CountyNo qualifying records yetYes: summer
Belmont CountyNo qualifying records yetYes: summer
Brown CountyNo qualifying records yetYes: summer, migration
Butler CountyRecorded, too few records for a resultYes: summer
Carroll CountyNo qualifying records yetYes: summer
Champaign CountyNo qualifying records yetYes: summer
Clark CountyNo qualifying records yetYes: summer
Clermont CountyRecorded, too few records for a resultYes: summer, migration
Clinton CountyNo qualifying records yetYes: summer
Columbiana CountyRecorded, too few records for a resultYes: summer
Coshocton CountyNo qualifying records yetYes: summer
Crawford CountyNo qualifying records yetYes: summer
Cuyahoga CountyRecorded, too few records for a resultYes: summer
Darke CountyNo qualifying records yetYes: summer
Defiance CountyNo qualifying records yetYes: summer
Delaware CountyNo qualifying records yetYes: summer
Erie CountyRecorded, too few records for a resultYes: summer
Fairfield CountyNo qualifying records yetYes: summer
Fayette CountyNo qualifying records yetYes: summer
Franklin CountyRecorded, too few records for a resultYes: summer
Fulton CountyNo qualifying records yetYes: summer
Gallia CountyNo qualifying records yetYes: migration
Geauga CountyRecorded, too few records for a resultYes: summer
Greene CountyRecorded, too few records for a resultYes: summer
Guernsey CountyNo qualifying records yetYes: summer
Hamilton CountyRecorded, too few records for a resultYes: summer, migration
Hancock CountyRecorded, too few records for a resultYes: summer
Hardin CountyRecorded, too few records for a resultYes: summer
Harrison CountyNo qualifying records yetYes: summer
Henry CountyNo qualifying records yetYes: summer
Highland CountyNo qualifying records yetYes: summer, migration
Hocking CountyNo qualifying records yetYes: summer, migration
Holmes CountyRecorded, too few records for a resultYes: summer
Huron CountyNo qualifying records yetYes: summer
Jackson CountyNo qualifying records yetYes: migration
Jefferson CountyNo qualifying records yetYes: summer
Knox CountyNo qualifying records yetYes: summer
Lake County39 · Recorded, season not shownYes: summer
Lawrence CountyNo qualifying records yetYes: migration
Licking CountyNo qualifying records yetYes: summer
Logan CountyNo qualifying records yetYes: summer
Lorain CountyRecorded, too few records for a resultYes: summer
Lucas County55 · Recorded, season not shownYes: summer
Madison CountyNo qualifying records yetYes: summer
Mahoning CountyNo qualifying records yetYes: summer
Marion CountyRecorded, too few records for a resultYes: summer
Medina CountyRecorded, too few records for a resultYes: summer
Meigs CountyNo qualifying records yetYes: migration
Mercer CountyRecorded, too few records for a resultYes: summer
Miami CountyNo qualifying records yetYes: summer
Monroe CountyNo qualifying records yetYes: summer, migration
Montgomery CountyNo qualifying records yetYes: summer
Morgan CountyNo qualifying records yetYes: summer, migration
Morrow CountyNo qualifying records yetYes: summer
Muskingum CountyNo qualifying records yetYes: summer
Noble CountyNo qualifying records yetYes: summer, migration
Ottawa CountyRecorded, too few records for a resultYes: summer
Paulding CountyNo qualifying records yetYes: summer
Perry CountyNo qualifying records yetYes: summer
Pickaway CountyNo qualifying records yetYes: summer
Pike CountyNo qualifying records yetYes: migration
Portage CountyNo qualifying records yetYes: summer
Preble CountyNo qualifying records yetYes: summer
Putnam CountyNo qualifying records yetYes: summer
Richland CountyNo qualifying records yetYes: summer
Ross CountyNo qualifying records yetYes: summer, migration
Sandusky CountyRecorded, too few records for a resultYes: summer
Scioto CountyNo qualifying records yetYes: migration
Seneca CountyNo qualifying records yetYes: summer
Shelby CountyNo qualifying records yetYes: summer
Stark CountyRecorded, too few records for a resultYes: summer
Summit CountyRecorded, too few records for a resultYes: summer
Trumbull CountyNo qualifying records yetYes: summer
Tuscarawas CountyNo qualifying records yetYes: summer
Union CountyNo qualifying records yetYes: summer
Van Wert CountyNo qualifying records yetYes: summer
Vinton CountyNo qualifying records yetYes: migration
Warren CountyNo qualifying records yetYes: summer
Washington CountyNo qualifying records yetYes: migration
Wayne CountyRecorded, too few records for a resultYes: summer
Williams CountyNo qualifying records yetYes: summer
Wood CountyNo qualifying records yetYes: summer
Wyandot CountyNo qualifying records yetYes: summer

Season

When it is recorded

In Lake County

Not enough evidence

Recorded in two separate seasons, so one season would put its middle week in the gap. Based on 39 records in 10 of the 10 years from 2016 to 2025, above the minimum of 20 records from 5 different years.
Show over the bars
Recording in Lake County · records of all species each week, 29,200 in all

Records per week from 39 records in 10 of the 10 years from 2016 to 2025. Shows when people recorded it, not a season or how common it is.

Show as a table
Records of Eastern Marsh Wren in Lake County each week, and records of all species
WeekRecords of Eastern Marsh WrenYears recordedRecords of all species
Jan 4–100054
Jan 11–170037
Jan 18–240052
Jan 25–310082
Feb 1–70058
Feb 8–140089
Feb 15–210051
Feb 22–280054
Mar 1–70051
Mar 8–1400155
Mar 15–2100190
Mar 22–2800166
Mar 29 – Apr 400234
Apr 5–1100425
Apr 12–1800525
Apr 19–2500522
Apr 26 – May 211844
May 3–9221,247
May 10–1611647
May 17–2351950
May 24–30321,067
May 31 – Jun 6111,073
Jun 7–13001,320
Jun 14–20001,088
Jun 21–27001,052
Jun 28 – Jul 4111,305
Jul 5–11111,359
Jul 12–18621,171
Jul 19–25111,056
Jul 26 – Aug 1711,193
Aug 2–8111,090
Aug 9–1500745
Aug 16–22001,084
Aug 23–2900847
Aug 30 – Sep 500699
Sep 6–1211858
Sep 13–1911714
Sep 20–2622739
Sep 27 – Oct 311731
Oct 4–1032723
Oct 11–1711475
Oct 18–2400425
Oct 25–3100371
Nov 1–700271
Nov 8–1400271
Nov 15–2100197
Nov 22–2800182
Nov 29 – Dec 50081
Dec 6–1200111
Dec 13–190084
Dec 20–260096
Dec 27 – Jan 200289

In Ohio

Early May to late May, middle week mid-May

Recorded in two separate seasons, each shown with its own early, middle and late weeks. A later season is not shown: recorded in two separate seasons of its own.

Show over the bars
Recording in Ohio · records of all species each week, 1,691,199 in all

Records per week from 189 records in 10 of the 10 years from 2016 to 2025. Shows when people recorded it, not a season or how common it is.

Show as a table
Records of Eastern Marsh Wren in Ohio each week, and records of all species
WeekRecords of Eastern Marsh WrenYears recordedRecords of all species
Jan 4–10006,211
Jan 11–17005,146
Jan 18–24004,645
Jan 25–31004,698
Feb 1–7006,023
Feb 8–14005,888
Feb 15–21005,436
Feb 22–28006,846
Mar 1–7008,321
Mar 8–140010,384
Mar 15–210012,620
Mar 22–280013,949
Mar 29 – Apr 40019,661
Apr 5–110026,860
Apr 12–180039,925
Apr 19–251141,623
Apr 26 – May 22256,391
May 3–910652,952
May 10–1631853,785
May 17–2327657,698
May 24–3027654,651
May 31 – Jun 63353,099
Jun 7–132253,700
Jun 14–203356,625
Jun 21–274255,361
Jun 28 – Jul 47258,477
Jul 5–115461,336
Jul 12–189564,722
Jul 19–256669,753
Jul 26 – Aug 110359,416
Aug 2–84459,712
Aug 9–152255,994
Aug 16–220054,328
Aug 23–291151,772
Aug 30 – Sep 51157,167
Sep 6–122259,075
Sep 13–192254,543
Sep 20–265345,860
Sep 27 – Oct 34343,180
Oct 4–108537,841
Oct 11–177530,824
Oct 18–242221,156
Oct 25–314219,021
Nov 1–70014,172
Nov 8–140012,621
Nov 15–21007,965
Nov 22–28008,136
Nov 29 – Dec 5006,083
Dec 6–12006,004
Dec 13–19005,423
Dec 20–26005,661
Dec 27 – Jan 2008,459

What these results show

These results show when people recorded a species, not when or where it occurs. Missing weeks and low counts do not mean absence or scarcity, and counts are not abundance. Contributed records reflect where, when and what people chose to observe.

Identification

How to identify it

Often confused with

  • Carolina Wren Thryothorus ludovicianus34 identifications worldwide named one where the other was meant
  • Northern House Wren Troglodytes aedon22 identifications worldwide named one where the other was meant
  • Swamp Sparrow Melospiza georgiana13 identifications worldwide named one where the other was meant

From iNaturalist’s similar-species counts, refreshed monthly: confusions in Ohio first, then worldwide. Only species with an Ohio result are listed.

When it is heard

Reported with a sound recording, too few times for a season.

From 1 iNaturalist records with a sound recording. Sounds are not kept or played here. Listen on iNaturalist (opens in a new tab)

Months not reported

  1. Jan: no record
  2. Feb: no record
  3. Mar: no record
  4. Apr: recorded
  5. May: recorded
  6. Jun: recorded
  7. Jul: recorded
  8. Aug: recorded
  9. Sep: recorded
  10. Oct: recorded
  11. Nov: no record
  12. Dec: no record

Not reported in Ohio in November to March, 2016 to 2025.

Time of day it is recorded

midnight6 amnoon6 pm

From 184 Ohio records with a time. Most records are made when people are outside, so night and early-morning species are under-recorded.

Land cover where it is recorded

Land coverIts recordsAll Ohio records
Wetland57%5%
Developed18%49%
Farmland12%11%
Open water6%3%
Forest4%31%
Barren2%0.6%
Grassland and shrub2%0.9%

From 51 records placed within 100 m, beside all Ohio records placed the same way. People record where they go, so this shows where records come from, not where the species lives. Land cover: USGS Annual NLCD, 2025 (opens in a new tab)

Sources

Where these results come from

  • Records from iNaturalist research-grade observations and expert-identified GBIF datasets, CC0, CC BY and CC BY-NC. Sources
  • Seasons use the published method and its evidence thresholds. Methods
  • See it on iNaturalist (opens in a new tab)OpenPhenology is independent and not affiliated with iNaturalist.

Records behind the Ohio result

189 records from 2 datasets.

To cite: the GBIF download doi:10.15468/dl.y2jkt8 (opens in a new tab).

A spreadsheet (CSV) with a link to each record, on iNaturalist or GBIF. Records whose location was hidden by the observer or the source are counted but not linked.