Cocytius antaeus
In 3 days ~20% in a week ~50%
Cocytius antaeus, the giant sphinx, is a moth of the family Sphingidae. The species was first described by Dru Drury in 1773. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Everglades National Park | 🇺🇸 United States | |
| 2 | Big Cypress National Preserve | 🇺🇸 United States |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Lima | 🇵🇪 Peru | |
| 2 | Panama City | 🇵🇦 Panama | |
| 3 | Mexico City | 🇲🇽 México |
With luck
About 10% of wildlife watchers report a Giant Sphinx sighting in Big Cypress National Preserve on a given day, based on 22 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 154th most-seen of the 262 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 50%, if each day is a fresh chance.
May and July
In those months about 20% of wildlife watchers report a Giant Sphinx in Big Cypress National Preserve on a given day, against under 5% in March and September, the lowest months.
Between 9 pm and midnight
Across all the parks we cover, that three-hour window holds the most Giant Sphinx sightings with a recorded time, and about half of them come between 6 pm and 6 am: it is seen both by day and at night.
Among the best
Of the 2 parks where we can rate Giant Sphinx sightings, Big Cypress National Preserve ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Everglades National Park (United States, about 10%).
Same family: Sphingidae
The closest relatives of the Giant Sphinx that you can see in Big Cypress National Preserve (family Sphingidae, Sphinx Moths) are Grote's Sphinx (about 10%), Cypress Sphinx (about 10%) and Tersa Sphinx (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Giant Sphinx is recorded against all the insects logged in Big Cypress National Preserve (22 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.
