What are the chances of seeing a Brachyrhynchus membranaceus in Ostional Wildlife Refuge?
Possible
About 20% of wildlife watchers report a Brachyrhynchus membranaceus sighting in Ostional Wildlife Refuge on a given day, based on 9 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 25th most-seen of the 47 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.
When is the best time to see a Brachyrhynchus membranaceus in Ostional Wildlife Refuge?
July
In that month about 30% of wildlife watchers report a Brachyrhynchus membranaceus in Ostional Wildlife Refuge on a given day, against under 5% in September to June, the lowest months.
What time of day is best to see a Brachyrhynchus membranaceus?
Between 2 and 5 pm
Across all the parks we cover, that three-hour window holds the most Brachyrhynchus membranaceus sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Where else can you see a Brachyrhynchus membranaceus?
Only Ostional Wildlife Refuge, in our data
Ostional Wildlife Refuge is the only park on Wallace's Line with enough records to rate Brachyrhynchus membranaceus sightings: about 20% of wildlife watchers there report one on a given day.
Where does the Brachyrhynchus membranaceus sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Brachyrhynchus membranaceus is recorded against all the insects logged in Ostional Wildlife Refuge (9 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.