Dythemis velox
In 3 days ~20% in a week ~40%
Dythemis velox, the swift setwing, is a species of skimmer in the dragonfly family Libellulidae. It is found in Central America and North America. The IUCN conservation status of Dythemis velox is "LC", least concern, with no immediate threat to the species' survival. The population is increasing. The IUCN status was reviewed in 2017. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Big Bend National Park | 🇺🇸 United States |
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Dallas | 🇺🇸 United States | |
| 2 | Austin | 🇺🇸 United States | |
| 3 | San Antonio | 🇺🇸 United States | |
| 4 | Houston | 🇺🇸 United States | |
| 5 | Washington | 🇺🇸 United States |
With luck
About 10% of wildlife watchers report a Swift Setwing sighting in Big Bend National Park on a given day, based on 10 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 204th most-seen of the 329 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 40%, if each day is a fresh chance.
September
In that month about 20% of wildlife watchers report a Swift Setwing in Big Bend National Park on a given day, against under 5% in October to April, the lowest months. That is one of Big Bend National Park's wettest months, with about 50 mm of rain against 10 mm in April.
Between 3 and 6 pm
Across all the parks we cover, that three-hour window holds the most Swift Setwing sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.
Only Big Bend National Park, in our data
Big Bend National Park is the only park on Wallace's Line with enough records to rate Swift Setwing sightings: about 10% of wildlife watchers there report one on a given day.
Same genus: Dythemis
The closest relatives of the Swift Setwing that you can see in Big Bend National Park (genus Dythemis, Setwings) are Black Setwing (about 20%) and Checkered Setwing (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Swift Setwing is recorded against all the insects logged in Big Bend National Park (10 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.
