What are the chances of seeing a Sky-Blue Hairstreak in Arenal Volcano National Park?
With luck
About 10% of wildlife watchers report a Sky-Blue Hairstreak sighting in Arenal Volcano National Park on a given day, based on 8 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 178th most-seen of the 302 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 Sky-Blue Hairstreak in Arenal Volcano National Park?
August
In that month about 20% of wildlife watchers report a Sky-Blue Hairstreak in Arenal Volcano National Park on a given day, against under 5% in January–April, July and September–November, the lowest months.
What time of day is best to see a Sky-Blue Hairstreak?
Between 11 am and 2 pm
Across all the parks we cover, that three-hour window holds the most Sky-Blue Hairstreak sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.
Is Arenal Volcano National Park the best place to see a Sky-Blue Hairstreak?
7th of 8
Of the 8 parks where we can rate Sky-Blue Hairstreak sightings, Arenal Volcano National Park ranks 7th at about 10%. The best odds are in Rincón de la Vieja National Park (Costa Rica, about 20%), Ría Lagartos Biosphere Reserve (Mexico, about 20%) and Ostional Wildlife Refuge (Costa Rica, about 10%).
Which relatives of the Sky-Blue Hairstreak live in Arenal Volcano National Park?
Same family: Lycaenidae
The closest relatives of the Sky-Blue Hairstreak that you can see in Arenal Volcano National Park (family Lycaenidae, Gossamer-winged Butterflies) are Togarna Hairstreak (about 10%), Calycopis xeneta (about 10%) and White-Tipped Cycadian (about 10%), with each one's daily chance of a sighting.
Where does the Sky-Blue Hairstreak sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Sky-Blue Hairstreak is recorded against all the insects logged in Arenal Volcano National Park (8 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.