AmphibiansIn Geauga County, Ohio
Northern Two-lined Salamander
Eurycea bislineata (Green, 1818)
Northern Two-lined Salamander in all of Ohio- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Amphibia
- Order
- Caudata
- Family
- Plethodontidae
- Genus
- Eurycea
Near Geauga County
Range
Where it is recorded
Season shown in 0 of Ohio's 88 counties. Its mapped range covers 25. Explore Ohio
- No result yet (56)
- Within its mapped range (1)
- Recorded, too few records for a result (26)
- Recorded, season not shown (5)
- Season shown (0)
Counties as a table
| County | Records | In mapped range |
|---|---|---|
| Adams County | No qualifying records yet | No |
| Allen County | No qualifying records yet | No |
| Ashland County | Recorded, too few records for a result | Yes: year-round |
| Ashtabula County | Recorded, too few records for a result | Yes: year-round |
| Athens County | No qualifying records yet | No |
| Auglaize County | No qualifying records yet | No |
| Belmont County | Recorded, too few records for a result | No |
| Brown County | No qualifying records yet | No |
| Butler County | No qualifying records yet | No |
| Carroll County | Recorded, too few records for a result | Yes: year-round |
| Champaign County | No qualifying records yet | No |
| Clark County | No qualifying records yet | No |
| Clermont County | No qualifying records yet | No |
| Clinton County | No qualifying records yet | No |
| Columbiana County | Recorded, too few records for a result | Yes: year-round |
| Coshocton County | Recorded, too few records for a result | Yes: year-round |
| Crawford County | Recorded, too few records for a result | Yes: year-round |
| Cuyahoga County | 94 · Recorded, season not shown | Yes: year-round |
| Darke County | No qualifying records yet | No |
| Defiance County | No qualifying records yet | No |
| Delaware County | Recorded, too few records for a result | Yes: year-round |
| Erie County | Recorded, too few records for a result | Yes: year-round |
| Fairfield County | No qualifying records yet | No |
| Fayette County | No qualifying records yet | No |
| Franklin County | Recorded, too few records for a result | No |
| Fulton County | No qualifying records yet | No |
| Gallia County | No qualifying records yet | No |
| Geauga County | 24 · Recorded, season not shown | Yes: year-round |
| Greene County | No qualifying records yet | No |
| Guernsey County | Recorded, too few records for a result | No |
| Hamilton County | No qualifying records yet | No |
| Hancock County | No qualifying records yet | No |
| Hardin County | No qualifying records yet | No |
| Harrison County | Recorded, too few records for a result | Yes: year-round |
| Henry County | No qualifying records yet | No |
| Highland County | No qualifying records yet | No |
| Hocking County | No qualifying records yet | No |
| Holmes County | Recorded, too few records for a result | Yes: year-round |
| Huron County | Recorded, too few records for a result | Yes: year-round |
| Jackson County | No qualifying records yet | No |
| Jefferson County | Recorded, too few records for a result | No |
| Knox County | Recorded, too few records for a result | Yes: year-round |
| Lake County | 29 · Recorded, season not shown | Yes: year-round |
| Lawrence County | No qualifying records yet | No |
| Licking County | Recorded, too few records for a result | No |
| Logan County | No qualifying records yet | No |
| Lorain County | No qualifying records yet | Yes: year-round |
| Lucas County | No qualifying records yet | No |
| Madison County | No qualifying records yet | No |
| Mahoning County | Recorded, too few records for a result | Yes: year-round |
| Marion County | No qualifying records yet | No |
| Medina County | 43 · Recorded, season not shown | Yes: year-round |
| Meigs County | No qualifying records yet | No |
| Mercer County | No qualifying records yet | No |
| Miami County | No qualifying records yet | No |
| Monroe County | No qualifying records yet | No |
| Montgomery County | No qualifying records yet | No |
| Morgan County | No qualifying records yet | No |
| Morrow County | Recorded, too few records for a result | Yes: year-round |
| Muskingum County | Recorded, too few records for a result | No |
| Noble County | No qualifying records yet | No |
| Ottawa County | No qualifying records yet | No |
| Paulding County | No qualifying records yet | No |
| Perry County | No qualifying records yet | No |
| Pickaway County | No qualifying records yet | No |
| Pike County | No qualifying records yet | No |
| Portage County | Recorded, too few records for a result | Yes: year-round |
| Preble County | No qualifying records yet | No |
| Putnam County | No qualifying records yet | No |
| Richland County | Recorded, too few records for a result | Yes: year-round |
| Ross County | No qualifying records yet | No |
| Sandusky County | No qualifying records yet | No |
| Scioto County | No qualifying records yet | No |
| Seneca County | No qualifying records yet | No |
| Shelby County | No qualifying records yet | No |
| Stark County | Recorded, too few records for a result | Yes: year-round |
| Summit County | 73 · Recorded, season not shown | Yes: year-round |
| Trumbull County | Recorded, too few records for a result | Yes: year-round |
| Tuscarawas County | Recorded, too few records for a result | No |
| Union County | No qualifying records yet | No |
| Van Wert County | No qualifying records yet | No |
| Vinton County | No qualifying records yet | No |
| Warren County | No qualifying records yet | No |
| Washington County | No qualifying records yet | No |
| Wayne County | Recorded, too few records for a result | Yes: year-round |
| Williams County | No qualifying records yet | No |
| Wood County | No qualifying records yet | No |
| Wyandot County | No qualifying records yet | No |
Season
When it is recorded
In Geauga County
Not enough evidence
The weeks are still too uncertain to show a season. Based on 24 records in 8 of the 10 years from 2016 to 2025, above the minimum of 20 records from 5 different years.
Show over the bars
Records per week from 24 records in 8 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
| Week | Records of Northern Two-lined Salamander | Years recorded | Records of all species |
|---|---|---|---|
| Jan 4–10 | 0 | 0 | 92 |
| Jan 11–17 | 0 | 0 | 20 |
| Jan 18–24 | 0 | 0 | 17 |
| Jan 25–31 | 0 | 0 | 70 |
| Feb 1–7 | 0 | 0 | 24 |
| Feb 8–14 | 0 | 0 | 28 |
| Feb 15–21 | 0 | 0 | 64 |
| Feb 22–28 | 0 | 0 | 24 |
| Mar 1–7 | 0 | 0 | 46 |
| Mar 8–14 | 0 | 0 | 36 |
| Mar 15–21 | 1 | 1 | 71 |
| Mar 22–28 | 0 | 0 | 71 |
| Mar 29 – Apr 4 | 2 | 1 | 165 |
| Apr 5–11 | 0 | 0 | 168 |
| Apr 12–18 | 2 | 2 | 279 |
| Apr 19–25 | 0 | 0 | 375 |
| Apr 26 – May 2 | 0 | 0 | 491 |
| May 3–9 | 1 | 1 | 571 |
| May 10–16 | 0 | 0 | 554 |
| May 17–23 | 1 | 1 | 638 |
| May 24–30 | 2 | 1 | 735 |
| May 31 – Jun 6 | 2 | 2 | 688 |
| Jun 7–13 | 2 | 1 | 844 |
| Jun 14–20 | 1 | 1 | 701 |
| Jun 21–27 | 2 | 2 | 791 |
| Jun 28 – Jul 4 | 0 | 0 | 699 |
| Jul 5–11 | 1 | 1 | 824 |
| Jul 12–18 | 0 | 0 | 712 |
| Jul 19–25 | 0 | 0 | 738 |
| Jul 26 – Aug 1 | 0 | 0 | 811 |
| Aug 2–8 | 0 | 0 | 730 |
| Aug 9–15 | 0 | 0 | 859 |
| Aug 16–22 | 0 | 0 | 600 |
| Aug 23–29 | 0 | 0 | 715 |
| Aug 30 – Sep 5 | 0 | 0 | 713 |
| Sep 6–12 | 2 | 2 | 619 |
| Sep 13–19 | 2 | 1 | 437 |
| Sep 20–26 | 0 | 0 | 388 |
| Sep 27 – Oct 3 | 2 | 2 | 331 |
| Oct 4–10 | 0 | 0 | 258 |
| Oct 11–17 | 1 | 1 | 281 |
| Oct 18–24 | 0 | 0 | 239 |
| Oct 25–31 | 0 | 0 | 187 |
| Nov 1–7 | 0 | 0 | 63 |
| Nov 8–14 | 0 | 0 | 106 |
| Nov 15–21 | 0 | 0 | 58 |
| Nov 22–28 | 0 | 0 | 25 |
| Nov 29 – Dec 5 | 0 | 0 | 42 |
| Dec 6–12 | 0 | 0 | 53 |
| Dec 13–19 | 0 | 0 | 49 |
| Dec 20–26 | 0 | 0 | 29 |
| Dec 27 – Jan 2 | 0 | 0 | 91 |
In Ohio
Late March to early August, middle week mid-May, and again late August to late October, middle week mid-September
Recorded in two separate seasons, each shown with its own early, middle and late weeks.
This week · Nov 8–14
Show over the bars
Records per week from 883 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
| Week | Records of Northern Two-lined Salamander | Years recorded | Records of all species |
|---|---|---|---|
| Jan 4–10 | 1 | 1 | 6,211 |
| Jan 11–17 | 0 | 0 | 5,146 |
| Jan 18–24 | 0 | 0 | 4,645 |
| Jan 25–31 | 0 | 0 | 4,698 |
| Feb 1–7 | 0 | 0 | 6,023 |
| Feb 8–14 | 0 | 0 | 5,888 |
| Feb 15–21 | 0 | 0 | 5,436 |
| Feb 22–28 | 1 | 1 | 6,846 |
| Mar 1–7 | 5 | 3 | 8,321 |
| Mar 8–14 | 3 | 1 | 10,384 |
| Mar 15–21 | 10 | 4 | 12,620 |
| Mar 22–28 | 12 | 7 | 13,949 |
| Mar 29 – Apr 4 | 17 | 7 | 19,661 |
| Apr 5–11 | 18 | 7 | 26,860 |
| Apr 12–18 | 20 | 8 | 39,925 |
| Apr 19–25 | 26 | 6 | 41,623 |
| Apr 26 – May 2 | 83 | 10 | 56,391 |
| May 3–9 | 36 | 9 | 52,952 |
| May 10–16 | 23 | 8 | 53,785 |
| May 17–23 | 19 | 7 | 57,698 |
| May 24–30 | 25 | 7 | 54,651 |
| May 31 – Jun 6 | 22 | 8 | 53,099 |
| Jun 7–13 | 30 | 9 | 53,700 |
| Jun 14–20 | 24 | 7 | 56,625 |
| Jun 21–27 | 16 | 7 | 55,361 |
| Jun 28 – Jul 4 | 27 | 8 | 58,477 |
| Jul 5–11 | 19 | 8 | 61,336 |
| Jul 12–18 | 19 | 5 | 64,722 |
| Jul 19–25 | 17 | 8 | 69,753 |
| Jul 26 – Aug 1 | 21 | 7 | 59,416 |
| Aug 2–8 | 18 | 6 | 59,712 |
| Aug 9–15 | 13 | 7 | 55,994 |
| Aug 16–22 | 17 | 7 | 54,328 |
| Aug 23–29 | 31 | 8 | 51,772 |
| Aug 30 – Sep 5 | 29 | 7 | 57,167 |
| Sep 6–12 | 30 | 9 | 59,075 |
| Sep 13–19 | 45 | 9 | 54,543 |
| Sep 20–26 | 55 | 9 | 45,860 |
| Sep 27 – Oct 3 | 27 | 9 | 43,180 |
| Oct 4–10 | 22 | 9 | 37,841 |
| Oct 11–17 | 40 | 7 | 30,824 |
| Oct 18–24 | 26 | 7 | 21,156 |
| Oct 25–31 | 19 | 5 | 19,021 |
| Nov 1–7 | 6 | 4 | 14,172 |
| Nov 8–14 | 3 | 3 | 12,621 |
| Nov 15–21 | 0 | 0 | 7,965 |
| Nov 22–28 | 2 | 2 | 8,136 |
| Nov 29 – Dec 5 | 1 | 1 | 6,083 |
| Dec 6–12 | 0 | 0 | 6,004 |
| Dec 13–19 | 1 | 1 | 5,423 |
| Dec 20–26 | 2 | 2 | 5,661 |
| Dec 27 – Jan 2 | 2 | 2 | 8,459 |
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
Look-alikes
Land cover
Often confused with
- Southern Two-lined Salamander Eurycea cirrigeraOften confused in Ohio: 223 identifications in Ohio named one where the other was meant
- Northern Dusky Salamander Desmognathus fuscusOften confused in Ohio: 31 identifications in Ohio named one where the other was meant
- Eastern Red-backed Salamander Plethodon cinereusOften confused in Ohio: 16 identifications in Ohio named one where the other was meant
- Long-tailed Salamander Eurycea longicaudaOften confused in Ohio: 13 identifications in Ohio named one where the other was meant
- Allegheny Mountain Dusky Salamander Desmognathus ochrophaeusOften confused in Ohio: 10 identifications in Ohio 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 cover | Its recordsAll Ohio records |
|---|---|
| Forest | 80%31% |
| Developed | 17%49% |
| Farmland | 2%11% |
| Wetland | 2%5% |
From 329 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
883 records from 1 dataset.
- iNaturalist Research-grade Observations (opens in a new tab) · iNaturalist.org · 883 recordsiNaturalist contributors, iNaturalist (2026). iNaturalist Research-grade Observations. iNaturalist.org. Occurrence dataset https://doi.org/10.15468/ab3s5x accessed via GBIF.org on 2026-11-13.
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.