What are the chances of seeing a Brassy Waved Umber in Lisbon?
Rare
Under 5% of wildlife watchers report a Brassy Waved Umber sighting in Lisbon on a given day, based on 11 verified sightings from GBIF citizen-science data. It is the 299th most-seen of the 441 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 Brassy Waved Umber in Lisbon?
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Brassy Waved Umber in Lisbon on a given day, so our monthly data shows no clear season.
What time of day is best to see a Brassy Waved Umber?
Between 7 and 10 pm
Across all the parks we cover, that three-hour window holds the most Brassy Waved Umber sightings with a recorded time, and about 8 in 10 of them come between 6 pm and 6 am: it is mostly seen at night.
Where else can you see a Brassy Waved Umber?
Only Lisbon, in our data
Lisbon is the only city on Wallace's Line with enough records to rate Brassy Waved Umber sightings: under 5% of wildlife watchers there report one on a given day.
Where does the Brassy Waved Umber sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Brassy Waved Umber is recorded against all the insects logged in Lisbon (11 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.