What are the chances of seeing a Rogenhofer's Sallow in Big Bend National Park?
With luck
About 10% of wildlife watchers report a Rogenhofer's Sallow sighting in Big Bend National Park on a given day, based on 13 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 169th 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.
When is the best time to see a Rogenhofer's Sallow in Big Bend National Park?
September
In that month about 30% of wildlife watchers report a Rogenhofer's Sallow in Big Bend National Park on a given day, against under 5% in May–June, August and October–March, 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.
What time of day is best to see a Rogenhofer's Sallow?
Between 11 pm and 2 am
Across all the parks we cover, that three-hour window holds the most Rogenhofer's Sallow sightings with a recorded time, and nearly all of them come between 6 pm and 6 am: it is mostly seen at night.
Where else can you see a Rogenhofer's Sallow?
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 Rogenhofer's Sallow sightings: about 10% of wildlife watchers there report one on a given day.
Which relatives of the Rogenhofer's Sallow live in Big Bend National Park?
Same family: Noctuidae
The closest relatives of the Rogenhofer's Sallow that you can see in Big Bend National Park (family Noctuidae, Cutworm Moths and Allies) are Acontia cuta (about 10%), Staghorn Cholla Moth (about 10%) and Pretty Bird-Dropping Moth (about 10%), with each one's daily chance of a sighting.
Where does the Rogenhofer's Sallow sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Rogenhofer's Sallow is recorded against all the insects logged in Big Bend National Park (13 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.