Eastern Milksnake (Lampropeltis triangulum)
(c) Carrie Seltzer, some rights reserved (CC BY), uploaded by Carrie Seltzer · CC BY 4.0 (opens in a new tab) · iNaturalist (opens in a new tab)
ReptilesIn Medina County, Ohio

Eastern Milksnake

Lampropeltis triangulum (Lacépède, 1789)

Eastern Milksnake in all of Ohio
Kingdom
Animalia
Phylum
Chordata
Genus
Lampropeltis
Near Medina County

Range

Where it is recorded

Season shown in 2 of Ohio's 88 counties. Its mapped range covers 88. Explore Ohio

  • No result yet (0)
  • Within its mapped range (27)
  • Recorded, too few records for a result (57)
  • Recorded, season not shown (2)
  • Season shown (2)
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 Milksnake by Ohio county: records and mapped range
CountyRecordsIn mapped range
Adams CountyRecorded, too few records for a resultYes: year-round
Allen CountyRecorded, too few records for a resultYes: year-round
Ashland CountyRecorded, too few records for a resultYes: year-round
Ashtabula CountyRecorded, too few records for a resultYes: year-round
Athens CountyRecorded, too few records for a resultYes: year-round
Auglaize CountyNo qualifying records yetYes: year-round
Belmont CountyRecorded, too few records for a resultYes: year-round
Brown CountyNo qualifying records yetYes: year-round
Butler CountyRecorded, too few records for a resultYes: year-round
Carroll CountyRecorded, too few records for a resultYes: year-round
Champaign CountyRecorded, too few records for a resultYes: year-round
Clark CountyRecorded, too few records for a resultYes: year-round
Clermont CountyRecorded, too few records for a resultYes: year-round
Clinton CountyRecorded, too few records for a resultYes: year-round
Columbiana CountyRecorded, too few records for a resultYes: year-round
Coshocton CountyRecorded, too few records for a resultYes: year-round
Crawford CountyRecorded, too few records for a resultYes: year-round
Cuyahoga CountyRecorded, too few records for a resultYes: year-round
Darke CountyRecorded, too few records for a resultYes: year-round
Defiance CountyNo qualifying records yetYes: year-round
Delaware CountyRecorded, too few records for a resultYes: year-round
Erie CountyRecorded, too few records for a resultYes: year-round
Fairfield CountyRecorded, too few records for a resultYes: year-round
Fayette CountyRecorded, too few records for a resultYes: year-round
Franklin CountyRecorded, too few records for a resultYes: year-round
Fulton CountyNo qualifying records yetYes: year-round
Gallia CountyNo qualifying records yetYes: year-round
Geauga CountyRecorded, too few records for a resultYes: year-round
Greene CountyRecorded, too few records for a resultYes: year-round
Guernsey CountyNo qualifying records yetYes: year-round
Hamilton County26 · Recorded, season not shownYes: year-round
Hancock CountyRecorded, too few records for a resultYes: year-round
Hardin CountyRecorded, too few records for a resultYes: year-round
Harrison CountyRecorded, too few records for a resultYes: year-round
Henry CountyNo qualifying records yetYes: year-round
Highland CountyRecorded, too few records for a resultYes: year-round
Hocking CountyRecorded, too few records for a resultYes: year-round
Holmes CountyRecorded, too few records for a resultYes: year-round
Huron CountyNo qualifying records yetYes: year-round
Jackson CountyNo qualifying records yetYes: year-round
Jefferson CountyRecorded, too few records for a resultYes: year-round
Knox CountyRecorded, too few records for a resultYes: year-round
Lake CountyRecorded, too few records for a resultYes: year-round
Lawrence CountyRecorded, too few records for a resultYes: year-round
Licking CountyRecorded, too few records for a resultYes: year-round
Logan CountyRecorded, too few records for a resultYes: year-round
Lorain CountyRecorded, too few records for a resultYes: year-round
Lucas CountyRecorded, too few records for a resultYes: year-round
Madison CountyNo qualifying records yetYes: year-round
Mahoning CountyRecorded, too few records for a resultYes: year-round
Marion CountyRecorded, too few records for a resultYes: year-round
Medina County22 · Season shownYes: year-round
Meigs CountyNo qualifying records yetYes: year-round
Mercer CountyNo qualifying records yetYes: year-round
Miami CountyNo qualifying records yetYes: year-round
Monroe CountyRecorded, too few records for a resultYes: year-round
Montgomery CountyRecorded, too few records for a resultYes: year-round
Morgan CountyRecorded, too few records for a resultYes: year-round
Morrow CountyRecorded, too few records for a resultYes: year-round
Muskingum CountyRecorded, too few records for a resultYes: year-round
Noble CountyNo qualifying records yetYes: year-round
Ottawa CountyNo qualifying records yetYes: year-round
Paulding CountyNo qualifying records yetYes: year-round
Perry CountyNo qualifying records yetYes: year-round
Pickaway CountyNo qualifying records yetYes: year-round
Pike CountyRecorded, too few records for a resultYes: year-round
Portage County31 · Recorded, season not shownYes: year-round
Preble CountyRecorded, too few records for a resultYes: year-round
Putnam CountyNo qualifying records yetYes: year-round
Richland CountyRecorded, too few records for a resultYes: year-round
Ross CountyRecorded, too few records for a resultYes: year-round
Sandusky CountyNo qualifying records yetYes: year-round
Scioto CountyRecorded, too few records for a resultYes: year-round
Seneca CountyNo qualifying records yetYes: year-round
Shelby CountyNo qualifying records yetYes: year-round
Stark CountyRecorded, too few records for a resultYes: year-round
Summit County157 · Season shownYes: year-round
Trumbull CountyRecorded, too few records for a resultYes: year-round
Tuscarawas CountyRecorded, too few records for a resultYes: year-round
Union CountyNo qualifying records yetYes: year-round
Van Wert CountyNo qualifying records yetYes: year-round
Vinton CountyRecorded, too few records for a resultYes: year-round
Warren CountyRecorded, too few records for a resultYes: year-round
Washington CountyRecorded, too few records for a resultYes: year-round
Wayne CountyRecorded, too few records for a resultYes: year-round
Williams CountyNo qualifying records yetYes: year-round
Wood CountyNo qualifying records yetYes: year-round
Wyandot CountyNo qualifying records yetYes: year-round

Season

When it is recorded

In Medina County

Early May to late August, middle week May 24–30

Show over the bars
Recording in Medina County · records of all species each week, 24,971 in all

Records per week from 22 records in 9 of the 10 years from 2016 to 2025. Shows when people recorded it, not how common it is. The grey bars show how many records of all species were made here each week, so you can see when recording itself was high or low; the season is not adjusted by them.

Recorded on 21 dates. Latest record: May 2025.

Show as a table
Records of Eastern Milksnake in Medina County each week, and records of all species
WeekRecords of Eastern MilksnakeYears recordedRecords of all species
Jan 4–1000111
Jan 11–170088
Jan 18–2400113
Jan 25–310099
Feb 1–700125
Feb 8–1400136
Feb 15–2100133
Feb 22–2800165
Mar 1–700128
Mar 8–1400211
Mar 15–2100285
Mar 22–2800250
Mar 29 – Apr 400292
Apr 5–1100470
Apr 12–1800621
Apr 19–2500796
Apr 26 – May 200971
May 3–922791
May 10–1611636
May 17–2354631
May 24–3042804
May 31 – Jun 611713
Jun 7–1333781
Jun 14–2000596
Jun 21–2700728
Jun 28 – Jul 400845
Jul 5–1100772
Jul 12–1811906
Jul 19–2500899
Jul 26 – Aug 100974
Aug 2–8001,018
Aug 9–1511787
Aug 16–2211765
Aug 23–2911675
Aug 30 – Sep 522836
Sep 6–1200920
Sep 13–1900740
Sep 20–2600670
Sep 27 – Oct 300783
Oct 4–1000464
Oct 11–1700349
Oct 18–2400262
Oct 25–3100245
Nov 1–700251
Nov 8–1400236
Nov 15–2100144
Nov 22–2800161
Nov 29 – Dec 500122
Dec 6–1200110
Dec 13–1900107
Dec 20–2600114
Dec 27 – Jan 200142

In Ohio

Late April to late September, middle week Jun 21–27

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

Records per week from 922 records in 10 of the 10 years from 2016 to 2025. Shows when people recorded it, not how common it is. The grey bars show how many records of all species were made here each week, so you can see when recording itself was high or low; the season is not adjusted by them.

Recorded on 569 dates. Latest record: October 2025.

Show as a table
Records of Eastern Milksnake in Ohio each week, and records of all species
WeekRecords of Eastern MilksnakeYears recordedRecords of all species
Jan 4–10116,211
Jan 11–17115,146
Jan 18–24004,645
Jan 25–31004,698
Feb 1–7006,023
Feb 8–14115,888
Feb 15–21115,436
Feb 22–28006,846
Mar 1–7008,321
Mar 8–141110,384
Mar 15–211112,620
Mar 22–282213,949
Mar 29 – Apr 41119,661
Apr 5–114326,860
Apr 12–187439,925
Apr 19–259441,623
Apr 26 – May 230756,391
May 3–918652,952
May 10–1647853,785
May 17–23671057,698
May 24–3069854,651
May 31 – Jun 6691053,099
Jun 7–1366953,700
Jun 14–2045956,625
Jun 21–2739955,361
Jun 28 – Jul 4421058,477
Jul 5–1131961,336
Jul 12–1821864,722
Jul 19–2531969,753
Jul 26 – Aug 128959,416
Aug 2–821759,712
Aug 9–1534855,994
Aug 16–2230854,328
Aug 23–29281051,772
Aug 30 – Sep 526857,167
Sep 6–1234659,075
Sep 13–1937854,543
Sep 20–2620845,860
Sep 27 – Oct 316743,180
Oct 4–1018837,841
Oct 11–1717730,824
Oct 18–244421,156
Oct 25–311119,021
Nov 1–71114,172
Nov 8–142212,621
Nov 15–21007,965
Nov 22–28008,136
Nov 29 – Dec 5006,083
Dec 6–12116,004
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

  • Central Ratsnake Pantherophis alleghaniensisOften confused in Ohio: 45 identifications in Ohio named one where the other was meant
  • Common Watersnake Nerodia sipedonOften confused in Ohio: 35 identifications in Ohio named one where the other was meant
  • Eastern Foxsnake Pantherophis vulpinusOften confused in Ohio: 10 identifications in Ohio named one where the other was meant
  • North American Racer Coluber constrictor47 identifications worldwide named one where the other was meant
  • Eastern Hognose Snake Heterodon platirhinos29 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.

Land cover where it is recorded

Land coverIts recordsAll Ohio records
Developed39%49%
Forest32%31%
Farmland23%11%
Wetland6%5%
Barren0.6%0.6%
Open water0.2%3%

From 467 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 Medina County result

22 records from 1 dataset.

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.