BirdsIn Athens County, Ohio
Ring-necked Duck
Aythya collaris (Donovan, 1809)
Ring-necked Duck in all of Ohio
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Aves
- Order
- Anseriformes
- Family
- Anatidae
- Genus
- Aythya
Near Athens County
Range
Where it is recorded
Season shown in 1 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 (52)
- Recorded, season not shown (8)
- Season shown (1)
Counties as a table
| County | Records | In mapped range |
|---|---|---|
| Adams County | Recorded, too few records for a result | Yes: migration |
| Allen County | No qualifying records yet | Yes: migration |
| Ashland County | Recorded, too few records for a result | Yes: migration |
| Ashtabula County | Recorded, too few records for a result | Yes: migration |
| Athens County | 20 · Recorded, season not shown | Yes: migration |
| Auglaize County | Recorded, too few records for a result | Yes: migration |
| Belmont County | Recorded, too few records for a result | Yes: migration |
| Brown County | No qualifying records yet | Yes: migration |
| Butler County | Recorded, too few records for a result | Yes: migration |
| Carroll County | No qualifying records yet | Yes: migration |
| Champaign County | Recorded, too few records for a result | Yes: migration |
| Clark County | Recorded, too few records for a result | Yes: migration |
| Clermont County | Recorded, too few records for a result | Yes: migration |
| Clinton County | Recorded, too few records for a result | Yes: migration |
| Columbiana County | Recorded, too few records for a result | Yes: migration |
| Coshocton County | No qualifying records yet | Yes: migration |
| Crawford County | No qualifying records yet | Yes: migration |
| Cuyahoga County | 45 · Recorded, season not shown | Yes: migration |
| Darke County | Recorded, too few records for a result | Yes: migration |
| Defiance County | No qualifying records yet | Yes: migration |
| Delaware County | Recorded, too few records for a result | Yes: migration |
| Erie County | Recorded, too few records for a result | Yes: migration |
| Fairfield County | Recorded, too few records for a result | Yes: migration |
| Fayette County | Recorded, too few records for a result | Yes: migration |
| Franklin County | 31 · Recorded, season not shown | Yes: migration |
| Fulton County | No qualifying records yet | Yes: migration |
| Gallia County | Recorded, too few records for a result | Yes: migration |
| Geauga County | Recorded, too few records for a result | Yes: migration |
| Greene County | Recorded, too few records for a result | Yes: migration |
| Guernsey County | Recorded, too few records for a result | Yes: migration |
| Hamilton County | 125 · Recorded, season not shown | Yes: migration |
| Hancock County | Recorded, too few records for a result | Yes: migration |
| Hardin County | Recorded, too few records for a result | Yes: migration |
| Harrison County | Recorded, too few records for a result | Yes: migration |
| Henry County | No qualifying records yet | Yes: migration |
| Highland County | Recorded, too few records for a result | Yes: migration |
| Hocking County | Recorded, too few records for a result | Yes: migration |
| Holmes County | Recorded, too few records for a result | Yes: migration |
| Huron County | Recorded, too few records for a result | Yes: migration |
| Jackson County | No qualifying records yet | Yes: migration |
| Jefferson County | No qualifying records yet | Yes: migration |
| Knox County | Recorded, too few records for a result | Yes: migration |
| Lake County | Recorded, too few records for a result | Yes: migration |
| Lawrence County | Recorded, too few records for a result | Yes: migration |
| Licking County | Recorded, too few records for a result | Yes: migration |
| Logan County | Recorded, too few records for a result | Yes: migration |
| Lorain County | 39 · Recorded, season not shown | Yes: migration |
| Lucas County | 25 · Recorded, season not shown | Yes: migration |
| Madison County | Recorded, too few records for a result | Yes: migration |
| Mahoning County | Recorded, too few records for a result | Yes: migration |
| Marion County | Recorded, too few records for a result | Yes: migration |
| Medina County | 35 · Recorded, season not shown | Yes: migration |
| Meigs County | Recorded, too few records for a result | Yes: migration |
| Mercer County | Recorded, too few records for a result | Yes: migration |
| Miami County | No qualifying records yet | Yes: migration |
| Monroe County | No qualifying records yet | Yes: migration |
| Montgomery County | Recorded, too few records for a result | Yes: migration |
| Morgan County | Recorded, too few records for a result | Yes: migration |
| Morrow County | No qualifying records yet | Yes: migration |
| Muskingum County | Recorded, too few records for a result | Yes: migration |
| Noble County | No qualifying records yet | Yes: migration |
| Ottawa County | Recorded, too few records for a result | Yes: migration |
| Paulding County | No qualifying records yet | Yes: migration |
| Perry County | Recorded, too few records for a result | Yes: migration |
| Pickaway County | No qualifying records yet | Yes: migration |
| Pike County | No qualifying records yet | Yes: migration |
| Portage County | 43 · Recorded, season not shown | Yes: migration |
| Preble County | No qualifying records yet | Yes: migration |
| Putnam County | No qualifying records yet | Yes: migration |
| Richland County | Recorded, too few records for a result | Yes: migration |
| Ross County | No qualifying records yet | Yes: migration |
| Sandusky County | No qualifying records yet | Yes: migration |
| Scioto County | No qualifying records yet | Yes: migration |
| Seneca County | No qualifying records yet | Yes: migration |
| Shelby County | No qualifying records yet | Yes: migration |
| Stark County | Recorded, too few records for a result | Yes: migration |
| Summit County | 121 · Season shown | Yes: migration |
| Trumbull County | Recorded, too few records for a result | Yes: migration |
| Tuscarawas County | Recorded, too few records for a result | Yes: migration |
| Union County | No qualifying records yet | Yes: migration |
| Van Wert County | No qualifying records yet | Yes: migration |
| Vinton County | No qualifying records yet | Yes: migration |
| Warren County | Recorded, too few records for a result | Yes: migration |
| Washington County | Recorded, too few records for a result | Yes: migration |
| Wayne County | Recorded, too few records for a result | Yes: migration |
| Williams County | Recorded, too few records for a result | Yes: migration |
| Wood County | Recorded, too few records for a result | Yes: migration |
| Wyandot County | Recorded, too few records for a result | Yes: migration |
Season
When it is recorded
In Athens County
Not enough evidence
The weeks are still too uncertain to show a season. Based on 20 records in 5 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 20 records in 5 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 Ring-necked Duck | Years recorded | Records of all species |
|---|---|---|---|
| Jan 4–10 | 0 | 0 | 74 |
| Jan 11–17 | 0 | 0 | 132 |
| Jan 18–24 | 1 | 1 | 107 |
| Jan 25–31 | 0 | 0 | 219 |
| Feb 1–7 | 0 | 0 | 392 |
| Feb 8–14 | 1 | 1 | 232 |
| Feb 15–21 | 1 | 1 | 235 |
| Feb 22–28 | 5 | 2 | 361 |
| Mar 1–7 | 1 | 1 | 532 |
| Mar 8–14 | 1 | 1 | 466 |
| Mar 15–21 | 3 | 2 | 593 |
| Mar 22–28 | 1 | 1 | 950 |
| Mar 29 – Apr 4 | 0 | 0 | 1,265 |
| Apr 5–11 | 0 | 0 | 1,616 |
| Apr 12–18 | 0 | 0 | 1,804 |
| Apr 19–25 | 0 | 0 | 1,926 |
| Apr 26 – May 2 | 0 | 0 | 2,291 |
| May 3–9 | 0 | 0 | 1,407 |
| May 10–16 | 0 | 0 | 1,408 |
| May 17–23 | 0 | 0 | 2,542 |
| May 24–30 | 0 | 0 | 1,821 |
| May 31 – Jun 6 | 0 | 0 | 798 |
| Jun 7–13 | 0 | 0 | 775 |
| Jun 14–20 | 0 | 0 | 830 |
| Jun 21–27 | 0 | 0 | 700 |
| Jun 28 – Jul 4 | 1 | 1 | 549 |
| Jul 5–11 | 0 | 0 | 664 |
| Jul 12–18 | 0 | 0 | 869 |
| Jul 19–25 | 0 | 0 | 700 |
| Jul 26 – Aug 1 | 0 | 0 | 673 |
| Aug 2–8 | 0 | 0 | 613 |
| Aug 9–15 | 0 | 0 | 871 |
| Aug 16–22 | 0 | 0 | 807 |
| Aug 23–29 | 0 | 0 | 1,289 |
| Aug 30 – Sep 5 | 0 | 0 | 2,925 |
| Sep 6–12 | 0 | 0 | 2,530 |
| Sep 13–19 | 0 | 0 | 2,417 |
| Sep 20–26 | 0 | 0 | 1,530 |
| Sep 27 – Oct 3 | 0 | 0 | 1,628 |
| Oct 4–10 | 0 | 0 | 1,836 |
| Oct 11–17 | 0 | 0 | 1,920 |
| Oct 18–24 | 0 | 0 | 825 |
| Oct 25–31 | 0 | 0 | 930 |
| Nov 1–7 | 0 | 0 | 881 |
| Nov 8–14 | 0 | 0 | 846 |
| Nov 15–21 | 0 | 0 | 573 |
| Nov 22–28 | 1 | 1 | 536 |
| Nov 29 – Dec 5 | 0 | 0 | 270 |
| Dec 6–12 | 1 | 1 | 982 |
| Dec 13–19 | 2 | 2 | 158 |
| Dec 20–26 | 1 | 1 | 106 |
| Dec 27 – Jan 2 | 0 | 0 | 95 |
In Ohio
Early November to mid-April, middle week Mar 8–14
Middle week · Mar 8–14
This week · Nov 8–14
Show over the bars
Records per week from 1,020 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 545 dates. Latest record: December 2025.
Show as a table
| Week | Records of Ring-necked Duck | Years recorded | Records of all species |
|---|---|---|---|
| Jan 4–10 | 27 | 8 | 6,211 |
| Jan 11–17 | 12 | 6 | 5,146 |
| Jan 18–24 | 16 | 7 | 4,645 |
| Jan 25–31 | 26 | 8 | 4,698 |
| Feb 1–7 | 35 | 7 | 6,023 |
| Feb 8–14 | 19 | 7 | 5,888 |
| Feb 15–21 | 43 | 9 | 5,436 |
| Feb 22–28 | 40 | 8 | 6,846 |
| Mar 1–7 | 82 | 8 | 8,321 |
| Mar 8–14 | 114 | 10 | 10,384 |
| Mar 15–21 | 129 | 8 | 12,620 |
| Mar 22–28 | 79 | 10 | 13,949 |
| Mar 29 – Apr 4 | 62 | 10 | 19,661 |
| Apr 5–11 | 44 | 9 | 26,860 |
| Apr 12–18 | 37 | 9 | 39,925 |
| Apr 19–25 | 27 | 6 | 41,623 |
| Apr 26 – May 2 | 6 | 4 | 56,391 |
| May 3–9 | 4 | 3 | 52,952 |
| May 10–16 | 6 | 3 | 53,785 |
| May 17–23 | 3 | 2 | 57,698 |
| May 24–30 | 2 | 2 | 54,651 |
| May 31 – Jun 6 | 1 | 1 | 53,099 |
| Jun 7–13 | 1 | 1 | 53,700 |
| Jun 14–20 | 1 | 1 | 56,625 |
| Jun 21–27 | 0 | 0 | 55,361 |
| Jun 28 – Jul 4 | 2 | 2 | 58,477 |
| Jul 5–11 | 3 | 2 | 61,336 |
| Jul 12–18 | 0 | 0 | 64,722 |
| Jul 19–25 | 1 | 1 | 69,753 |
| Jul 26 – Aug 1 | 0 | 0 | 59,416 |
| Aug 2–8 | 0 | 0 | 59,712 |
| Aug 9–15 | 1 | 1 | 55,994 |
| Aug 16–22 | 1 | 1 | 54,328 |
| Aug 23–29 | 0 | 0 | 51,772 |
| Aug 30 – Sep 5 | 0 | 0 | 57,167 |
| Sep 6–12 | 0 | 0 | 59,075 |
| Sep 13–19 | 0 | 0 | 54,543 |
| Sep 20–26 | 2 | 1 | 45,860 |
| Sep 27 – Oct 3 | 0 | 0 | 43,180 |
| Oct 4–10 | 1 | 1 | 37,841 |
| Oct 11–17 | 4 | 3 | 30,824 |
| Oct 18–24 | 14 | 6 | 21,156 |
| Oct 25–31 | 7 | 5 | 19,021 |
| Nov 1–7 | 11 | 3 | 14,172 |
| Nov 8–14 | 24 | 7 | 12,621 |
| Nov 15–21 | 10 | 5 | 7,965 |
| Nov 22–28 | 35 | 9 | 8,136 |
| Nov 29 – Dec 5 | 20 | 9 | 6,083 |
| Dec 6–12 | 19 | 7 | 6,004 |
| Dec 13–19 | 28 | 7 | 5,423 |
| Dec 20–26 | 6 | 6 | 5,661 |
| Dec 27 – Jan 2 | 15 | 8 | 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
When
Land cover
Often confused with
- Lesser Scaup Aythya affinisOften confused in Ohio: 12 identifications in Ohio named one where the other was meant
- Mallard Anas platyrhynchos126 identifications worldwide named one where the other was meant
- Redhead Aythya americana97 identifications worldwide named one where the other was meant
- Greater Scaup Aythya marila96 identifications worldwide named one where the other was meant
- Ruddy Duck Oxyura jamaicensis44 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 each is reported
- All recordsUsually early November to mid-April, middle week early March · 1,020 records
- Reported as maleUsually early December to mid-April, middle week early March · 69 records
Not every photo is marked with a sex or a sign, so these show when people reported each, not when it happens.
Land cover where it is recorded
| Land cover | Its recordsAll Ohio records |
|---|---|
| Open water | 56%3% |
| Wetland | 17%5% |
| Developed | 15%49% |
| Farmland | 6%11% |
| Grassland and shrub | 3%0.9% |
| Forest | 3%31% |
| Barren | 0.8%0.6% |
From 479 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
1,020 records from 2 datasets.
- iNaturalist Research-grade Observations (opens in a new tab) · iNaturalist.org · 1,017 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.
- iNaturalist observations (opens in a new tab) · iNaturalist.org · 3 recordsiNaturalist. Available from https://www.inaturalist.org. Accessed 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.