What are the chances of seeing a Straight-Lined Sulphur in Porto Alegre?
With luck
About 10% of wildlife watchers report a Straight-Lined Sulphur sighting in Porto Alegre on a given day, based on 10 verified sightings from GBIF citizen-science data. It is the 127th most-seen of the 226 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 Straight-Lined Sulphur in Porto Alegre?
April–June, September and November–December
In those months about 10% of wildlife watchers report a Straight-Lined Sulphur in Porto Alegre on a given day, against under 5% in January–March, July–August and October, the lowest months.
What time of day is best to see a Straight-Lined Sulphur?
Between noon and 3 pm
Across all the parks we cover, that three-hour window holds the most Straight-Lined Sulphur sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Is Porto Alegre the best place to see a Straight-Lined Sulphur?
Yes
Of the 2 cities where we can rate Straight-Lined Sulphur sightings, Porto Alegre has the highest daily chance: about 10%. Next come São Paulo (Brazil, under 5%).
Which relatives of the Straight-Lined Sulphur live in Porto Alegre?
Same genus: Phoebis
The closest relatives of the Straight-Lined Sulphur that you can see in Porto Alegre (genus Phoebis) are Tailed Sulphur (about 20%), Dark Apricot Sulphur (about 10%) and Orange-Barred Sulphur (about 10%), with each one's daily chance of a sighting.
Where does the Straight-Lined Sulphur sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Straight-Lined Sulphur is recorded against all the insects logged in Porto Alegre (10 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.