Western Spectre

Western Spectre

Boyeria irene

Daily sighting probability ~10% · With luck
at Porto

In 3 days ~20% in a week ~30%

21 Verified sightings at Porto
97 In all 3 parks From 2019 to 2026
July Best month
☀️ Diurnal When it's spotted

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Cévennes National Park 🇫🇷 France
~20%
2 Sierra Nevada National Park 🇪🇸 Spain
~10%
3 Pyrénées National Park 🇫🇷 France
~10%

Cities Where Found

# City Country Daily sighting probability
1 Porto 🇵🇹 Portugal
~10%

Before you go

What are the chances of seeing a Western Spectre in Porto?

With luck

About 10% of wildlife watchers report a Western Spectre sighting in Porto on a given day, based on 21 verified sightings from GBIF citizen-science data. It is the 220th most-seen of the 498 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 30%, if each day is a fresh chance.

When is the best time to see a Western Spectre in Porto?

May to August

In those months about 10% of wildlife watchers report a Western Spectre in Porto on a given day, against under 5% in September to April, the lowest months. Those are among Porto's driest months, with about 30 mm of rain a month against 140 mm in January.

What time of day is best to see a Western Spectre?

Between 2 and 5 pm

Across all the parks we cover, that three-hour window holds the most Western Spectre sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.

Where else can you see a Western Spectre?

Only Porto, in our data

Porto is the only city on Wallace's Line with enough records to rate Western Spectre sightings: about 10% of wildlife watchers there report one on a given day.

Which relatives of the Western Spectre live in Porto?

Same family: Aeshnidae

The closest relatives of the Western Spectre that you can see in Porto (family Aeshnidae, Darners) are Blue Emperor (about 10%) and Southern Hawker (about 10%), with each one's daily chance of a sighting.

Where does the Western Spectre sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Western Spectre is recorded against all the insects logged in Porto (21 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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