Hanno Blue

Hanno Blue

Hemiargus hanno

Daily sighting probability ~30% · Possible
at São Luís

In 3 days ~60% in a week ~90%

30 Verified sightings at São Luís
14 In all 2 parks From 2019 to 2026
October Best month
☀️ Diurnal When it's spotted

About the Hanno Blue

Hemiargus hanno, the hanno blue is a species of butterfly in the family Lycaenidae. It is found in Suriname, Brazil, Colombia, Cuba, the Netherlands Antilles, Puerto Rico and Hispaniola. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Iberá National Park 🇦🇷 Argentina
~10%
2 Iguazú National Park 🇦🇷 Argentina
~10%

Cities Where Found

# City Country Daily sighting probability
1 Salvador 🇧🇷 Brazil
~30%
2 São Luís 🇧🇷 Brazil
~30%
3 Caracas 🇻🇪 Venezuela
~30%
4 Santa Cruz de la Sierra 🇧🇴 Bolivia
~20%
5 Fortaleza 🇧🇷 Brazil
~20%
6 Porto Alegre 🇧🇷 Brazil
~20%
7 São Paulo 🇧🇷 Brazil
~10%
8 Vitória 🇧🇷 Brazil
~10%
9 Niterói 🇧🇷 Brazil
~10%
10 Maceió 🇧🇷 Brazil
~10%

Before you go

What are the chances of seeing a Hanno Blue in São Luís?

Possible

About 30% of wildlife watchers report a Hanno Blue sighting in São Luís on a given day, based on 30 verified sightings from GBIF citizen-science data. It is the 10th most-seen of the 93 insects we can rate there. Over three days the chance rises to about 60%, and over a week to about 90%, if each day is a fresh chance.

When is the best time to see a Hanno Blue in São Luís?

October

In that month about 50% of wildlife watchers report a Hanno Blue in São Luís on a given day, against under 5% in January and June, the lowest months. That is one of São Luís's driest months, with about 15 mm of rain against 360 mm in April.

What time of day is best to see a Hanno Blue?

Between 9 am and noon

Across all the parks we cover, that three-hour window holds the most Hanno Blue 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 São Luís the best place to see a Hanno Blue?

Among the best

Of the 16 cities where we can rate Hanno Blue sightings, São Luís ranks 2nd at about 30%, level with the leaders once rounded. The best odds are in Salvador (Brazil, about 30%).

Which relatives of the Hanno Blue live in São Luís?

Same family: Lycaenidae

The closest relatives of the Hanno Blue that you can see in São Luís (family Lycaenidae, Gossamer-winged Butterflies) are Marsyas Hairstreak (about 10%) and Thecla una (about 10%), with each one's daily chance of a sighting.

Where does the Hanno Blue sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Hanno Blue is recorded against all the insects logged in São Luís (30 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.

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