Cydno Longwing
Daily sighting probability <5% · Rare
at Medellín

In 3 days ~10% in a week ~30%

9 Verified sightings at Medellín
213 In all 12 parks From 2019 to 2026
June Best month
☀️ Diurnal When it's spotted

About the Cydno Longwing

Heliconius cydno, the cydno longwing, is a nymphalid butterfly that ranges from Mexico to northern South America. It is typically found in the forest understory and deposits its eggs on a variety of plants of the genus Passiflora. It is a member of the Heliconiinae subfamily of Central and South America, and it is the only heliconiine that can be considered oligophagous. H. cydno is also characterized by hybridization and Müllerian mimicry. Wing coloration plays a key role in mate choice and has further implications in regards to sympatric speciation. Macrolide scent gland extracts and wing-clicking behavior further characterize this species. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Pico Bonito National Park 🇭🇳 Honduras
~30%
2 Tenorio Volcano National Park 🇨🇷 Costa Rica
~30%
3 Tortuguero National Park 🇨🇷 Costa Rica
~20%
4 Chagres National Park 🇵🇦 Panama
~20%
5 Farallones de Cali National Natural Park 🇨🇴 Colombia
~20%
6 Braulio Carrillo National Park 🇨🇷 Costa Rica
~20%
7 Soberanía National Park 🇵🇦 Panama
~10%
8 Arenal Volcano National Park 🇨🇷 Costa Rica
~10%
9 Gandoca-Manzanillo Wildlife Refuge 🇨🇷 Costa Rica
~10%
10 Cahuita National Park 🇨🇷 Costa Rica
~10%
11 Tapantí-Macizo de la Muerte National Park 🇨🇷 Costa Rica
~10%
12 Monteverde Cloud Forest Reserve 🇨🇷 Costa Rica
<5%

Cities Where Found

# City Country Daily sighting probability
1 Medellín 🇨🇴 Colombia
<5%

Before you go

What are the chances of seeing a Cydno Longwing in Medellín?

Rare

Under 5% of wildlife watchers report a Cydno Longwing sighting in Medellín on a given day, based on 9 verified sightings from GBIF citizen-science data. It is the 104th most-seen of the 175 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 30%, if each day is a fresh chance.

When is the best time to see a Cydno Longwing in Medellín?

March, May–July and September

In those months about 10% of wildlife watchers report a Cydno Longwing in Medellín on a given day, against under 5% in April, August and October–February, the lowest months.

What time of day is best to see a Cydno Longwing?

Between 9 am and noon

Across all the parks we cover, that three-hour window holds the most Cydno Longwing sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.

Where else can you see a Cydno Longwing?

Only Medellín, in our data

Medellín is the only city on Wallace's Line with enough records to rate Cydno Longwing sightings: under 5% of wildlife watchers there report one on a given day.

Which relatives of the Cydno Longwing live in Medellín?

Same genus: Heliconius

The closest relatives of the Cydno Longwing that you can see in Medellín (genus Heliconius, Longwings and Heliconians) are Zebra Longwing (about 20%), Doris Longwing (about 20%) and Red Postman (about 10%), with each one's daily chance of a sighting.

Where does the Cydno Longwing sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Cydno Longwing is recorded against all the insects logged in Medellín (9 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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