Southern Brown Argus

Southern Brown Argus

Aricia cramera

Daily sighting probability ~20% · Possible
at Monfragüe National Park

In 3 days ~50% in a week ~80%

23 Verified sightings at Monfragüe National Park From 2019 to 2026
290 In all 5 parks
September Best month
☀️ Diurnal When it's spotted

About the Southern Brown Argus

Aricia cramera, the southern brown argus, is a butterfly of the family Lycaenidae. It is a butterfly of Southern Europe and North Africa and can be found from Morocco and Tunisia up to Spain and Portugal, on Mediterranean islands including Menorca and on the Canary Islands.

The wingspan ranges up to 30 mm. The butterfly flies from May to September depending on the location. The larvae feed on Erodium, Helianthemum and Geranium species. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Monfragüe National Park 🇪🇸 Spain
~20%
2 Sierra Nevada National Park 🇪🇸 Spain
~20%
3 Sierra de Guadarrama National Park 🇪🇸 Spain
~20%
4 Picos de Europa National Park 🇪🇸 Spain
~20%
5 Doñana National Park 🇪🇸 Spain
~10%

Cities Where Found

# City Country Daily sighting probability
1 Barcelona 🇪🇸 Spain
~10%
2 Madrid 🇪🇸 Spain
~10%
3 Lisbon 🇵🇹 Portugal
<5%
4 Porto 🇵🇹 Portugal
<5%

Before you go

What are the chances of seeing a Southern Brown Argus in Monfragüe National Park?

Possible

About 20% of wildlife watchers report a Southern Brown Argus sighting in Monfragüe National Park on a given day, based on 23 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 14th most-seen of the 84 insects we can rate there. Over three days the chance rises to about 50%, and over a week to about 80%, if each day is a fresh chance.

When is the best time to see a Southern Brown Argus in Monfragüe National Park?

September

In that month about 40% of wildlife watchers report a Southern Brown Argus in Monfragüe National Park on a given day, against under 5% in July and October–February, the lowest months.

What time of day is best to see a Southern Brown Argus?

Between 11 am and 2 pm

Across all the parks we cover, that three-hour window holds the most Southern Brown Argus 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 Monfragüe National Park the best place to see a Southern Brown Argus?

Yes

Of the 5 parks where we can rate Southern Brown Argus sightings, Monfragüe National Park has the highest daily chance: about 20%. Next come Sierra Nevada National Park (Spain, about 20%) and Sierra de Guadarrama National Park (Spain, about 20%).

Which relatives of the Southern Brown Argus live in Monfragüe National Park?

Same family: Lycaenidae

The closest relatives of the Southern Brown Argus that you can see in Monfragüe National Park (family Lycaenidae, Gossamer-winged Butterflies) are Small Copper (about 30%), Fixsenia esculi (about 20%) and Black-Eyed Blue (about 20%), with each one's daily chance of a sighting.

Where does the Southern Brown Argus sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Southern Brown Argus is recorded against all the insects logged in Monfragüe National Park (23 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.

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