Great Eggfly
Daily sighting probability ~30% · Possible
at Cebu City

In 3 days ~70% in a week ~90%

6 Verified sightings at Cebu City
696 In all 27 parks From 2019 to 2026
September Best month
☀️ Diurnal When it's spotted

About the Great Eggfly

Hypolimnas bolina, the great eggfly, common eggfly, varied eggfly, or in New Zealand the blue moon butterfly, is a species of nymphalid butterfly found from Madagascar to Asia and Australia. H. bolina is a black-bodied butterfly with a wingspan of about 70–85 millimetres (2.8–3.3 in). The species has a high degree of sexual dimorphism. The female is mimetic with multiple morphs.

Males are monomorphic. The dorsal wing surface is jet black but features three prominent spots, two on the forewing and one on the hindwing. To a human observer these appear as white spots fringed with blue-violet. They actually consist of a white center overlain by bright ultraviolet iridescence, a colour generated by nanostructures on the wing scale surface. Numerous smaller white spots fringe the fore- and hindwings. The ventral surface lacks any ultraviolet iridescence and consists essentially of banded white markings set against a brownish background. These males exhibit lower body mass per unit wing area, implying lower wing loading, more elongate wings, resulting in a higher aspect ratio, which are also the characteristics used to differ them by their conspecific... Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Cuc Phuong National Park 🇻🇳 Vietnam
~40%
2 Bandhavgarh National Park 🇮🇳 India
~40%
3 Khao Sok National Park 🇹🇭 Thailand
~40%
4 Gunung Leuser National Park 🇮🇩 Indonesia
~40%
5 Daintree National Park 🇦🇺 Australia
~40%
6 Chitwan National Park 🇳🇵 Nepal
~30%
7 Khao Luang National Park 🇹🇭 Thailand
~30%
8 Sepilok 🇲🇾 Malaysia
~30%
9 Taman Negara National Park 🇲🇾 Malaysia
~30%
10 Sinharaja Forest Reserve 🇱🇰 Sri Lanka
~30%
11 Ranomafana National Park 🇲🇬 Madagascar
~30%
12 Kakadu National Park 🇦🇺 Australia
~30%
13 Kanha National Park 🇮🇳 India
~30%
14 Kinabatangan Wildlife Sanctuary 🇲🇾 Malaysia
~30%
15 Litchfield National Park 🇦🇺 Australia
~20%
16 Kinabalu Park 🇲🇾 Malaysia
~20%
17 Satpura National Park 🇮🇳 India
~20%
18 Noosa National Park 🇦🇺 Australia
~20%
19 Kaeng Krachan National Park 🇹🇭 Thailand
~20%
20 Khao Yai National Park 🇹🇭 Thailand
~20%
21 Raja Ampat 🇮🇩 Indonesia
~20%
22 Cat Tien National Park 🇻🇳 Vietnam
~20%
23 Danum Valley Conservation Area 🇲🇾 Malaysia
~20%
24 Lamington National Park 🇦🇺 Australia
~10%
25 Taroko National Park 🇹🇼 Taiwan
~10%
26 Doi Inthanon National Park 🇹🇭 Thailand
~10%
27 Springbrook National Park 🇦🇺 Australia
~10%

Cities Where Found

# City Country Daily sighting probability
1 Yogyakarta 🇮🇩 Indonesia
~50%
2 Ranchi 🇮🇳 India
~50%
3 Jakarta 🇮🇩 Indonesia
~50%
4 Prayagraj 🇮🇳 India
~40%
5 Jabalpur 🇮🇳 India
~40%
6 Manila 🇵🇭 Philippines
~40%
7 Tasikmalaya 🇮🇩 Indonesia
~40%
8 Ho Chi Minh City 🇻🇳 Vietnam
~40%
9 Hanoi 🇻🇳 Vietnam
~40%
10 Kalyan-Dombivli 🇮🇳 India
~40%

Before you go

What are the chances of seeing a Great Eggfly in Cebu City?

Possible

About 30% of wildlife watchers report a Great Eggfly sighting in Cebu City on a given day, based on 6 verified sightings from GBIF citizen-science data. It is the 4th most-seen of the 12 insects we can rate there. Over three days the chance rises to about 70%, and over a week to about 90%, if each day is a fresh chance.

When is the best time to see a Great Eggfly in Cebu City?

January and September

In those months about 60% of wildlife watchers report a Great Eggfly in Cebu City on a given day, against under 5% in March–April, June–August and October, the lowest months.

What time of day is best to see a Great Eggfly?

Between 9 am and noon

Across all the parks we cover, that three-hour window holds the most Great Eggfly 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 Cebu City the best place to see a Great Eggfly?

25th of 70

Of the 70 cities where we can rate Great Eggfly sightings, Cebu City ranks 25th at about 30%. The best odds are in Yogyakarta (Indonesia, about 50%), Ranchi (India, about 50%) and Jakarta (Indonesia, about 50%).

Where does the Great Eggfly sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Great Eggfly is recorded against all the insects logged in Cebu City (6 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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