What are the chances of seeing a Titan Sphinx in Houston?
Rare
Under 5% of wildlife watchers report a Titan Sphinx sighting in Houston on a given day, based on 8 verified sightings from GBIF citizen-science data. It is the 790th most-seen of the 1057 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 20%, if each day is a fresh chance.
When is the best time to see a Titan Sphinx in Houston?
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Titan Sphinx in Houston on a given day, so our monthly data shows no clear season.
Is Houston the best place to see a Titan Sphinx?
Among the best
Of the 4 cities where we can rate Titan Sphinx sightings, Houston ranks 4th at under 5%, level with the leaders once rounded. The best odds are in Austin (United States, under 5%), San Antonio (United States, under 5%) and Dallas (United States, under 5%).
Which relatives of the Titan Sphinx live in Houston?
Same family: Sphingidae
The closest relatives of the Titan Sphinx that you can see in Houston (family Sphingidae, Sphinx Moths) are Tersa Sphinx (about 10%), Mournful Sphinx (about 10%) and Carolina Sphinx (about 10%), with each one's daily chance of a sighting.
Where does the Titan Sphinx sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Titan Sphinx is recorded against all the insects logged in Houston (8 verified sightings), 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.