Brachymesia gravida
In 3 days ~40% in a week ~70%
Brachymesia gravida, the four-spotted pennant, is a species of skimmer in the dragonfly family Libellulidae. It is found in North America. The IUCN conservation status of Brachymesia gravida is "LC", least concern, with no immediate threat to the species' survival. The population is stable. The IUCN status was reviewed in 2017. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Everglades National Park | 🇺🇸 United States | |
| 2 | Merritt Island National Wildlife Refuge | 🇺🇸 United States | |
| 3 | Big Cypress National Preserve | 🇺🇸 United States |
Possible
About 20% of wildlife watchers report a Four-Spotted Pennant sighting in Big Cypress National Preserve on a given day, based on 36 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 42nd most-seen of the 262 insects we can rate there. Over three days the chance rises to about 40%, and over a week to about 70%, if each day is a fresh chance.
November
In that month about 40% of wildlife watchers report a Four-Spotted Pennant in Big Cypress National Preserve on a given day, against under 5% in June–September and December–February, the lowest months. That is one of Big Cypress National Preserve's driest months, with about 60 mm of rain against 260 mm in June.
Between 11 am and 2 pm
Across all the parks we cover, that three-hour window holds the most Four-Spotted Pennant sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Among the best
Of the 3 parks where we can rate Four-Spotted Pennant sightings, Big Cypress National Preserve ranks 3rd at about 20%, level with the leaders once rounded. The best odds are in Everglades National Park (United States, about 20%) and Merritt Island National Wildlife Refuge (United States, about 20%).
Same family: Libellulidae
The closest relatives of the Four-Spotted Pennant that you can see in Big Cypress National Preserve (family Libellulidae, Skimmers) are Halloween Pennant (about 50%), Band-Winged Dragonlet (about 40%) and Blue Dasher (about 40%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Four-Spotted Pennant is recorded against all the insects logged in Big Cypress National Preserve (36 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.
