Erynnis juvenalis
In 3 days ~10% in a week ~30%
Gesta juvenalis, commonly known as Juvenal's duskywing, is a species of butterfly in the family Hesperiidae. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Great Smoky Mountains National Park | 🇺🇸 United States | |
| 2 | Shenandoah National Park | 🇺🇸 United States | |
| 3 | Congaree National Park | 🇺🇸 United States | |
| 4 | Riding Mountain National Park | 🇨🇦 Canada | |
| 5 | Point Pelee National Park | 🇨🇦 Canada | |
| 6 | Merritt Island National Wildlife Refuge | 🇺🇸 United States |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Boston | 🇺🇸 United States | |
| 2 | Baltimore | 🇺🇸 United States | |
| 3 | San Antonio | 🇺🇸 United States | |
| 4 | Washington | 🇺🇸 United States | |
| 5 | Dallas | 🇺🇸 United States | |
| 6 | Toronto | 🇨🇦 Canada | |
| 7 | New York City | 🇺🇸 United States | |
| 8 | Austin | 🇺🇸 United States | |
| 9 | Miami | 🇺🇸 United States | |
| 10 | Montreal | 🇨🇦 Canada |
Rare
Under 5% of wildlife watchers report a Juvenal's Duskywing sighting in Merritt Island National Wildlife Refuge on a given day, based on 6 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 165th most-seen of the 189 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 30%, if each day is a fresh chance.
February and March
In those months about 10% of wildlife watchers report a Juvenal's Duskywing in Merritt Island National Wildlife Refuge on a given day, against under 5% in April to January, the lowest months. Those are among Merritt Island National Wildlife Refuge's driest months, with about 60 mm of rain a month against 210 mm in September.
Between 11 am and 2 pm
Across all the parks we cover, that three-hour window holds the most Juvenal's Duskywing sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.
6th of 6
Of the 6 parks where we can rate Juvenal's Duskywing sightings, Merritt Island National Wildlife Refuge ranks 6th at under 5%. The best odds are in Great Smoky Mountains National Park (United States, about 20%), Shenandoah National Park (United States, about 10%) and Congaree National Park (United States, about 10%).
Same genus: Erynnis
The closest relatives of the Juvenal's Duskywing that you can see in Merritt Island National Wildlife Refuge (genus Erynnis, Duskywings) are Horace's Duskywing (about 10%), Sleepy Duskywing (about 10%) and Zarucco Duskywing (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Juvenal's Duskywing is recorded against all the insects logged in Merritt Island National Wildlife Refuge (6 verified sightings from 2019 to 2026), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.
