Great Eggfly
Daily sighting probability ~40% · Likely
at Bandhavgarh National Park

In 3 days ~80% in a week >90%

13 Verified sightings at Bandhavgarh National Park From 2019 to 2026
696 In all 27 parks
February 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 Bandhavgarh National Park?

Likely

About 40% of wildlife watchers report a Great Eggfly sighting in Bandhavgarh National Park on a given day, based on 13 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 2nd most-seen of the 12 insects we can rate there. Over three days the chance rises to about 80%, and over a week to over 90%, if each day is a fresh chance.

When is the best time to see a Great Eggfly in Bandhavgarh National Park?

February

In that month about 70% of wildlife watchers report a Great Eggfly in Bandhavgarh National Park on a given day, against under 5% in January and April, the lowest months. That is one of Bandhavgarh National Park's driest months, with about 15 mm of rain against 400 mm in August. August has too few records to rate.

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 Bandhavgarh National Park the best place to see a Great Eggfly?

Among the best

Of the 27 parks where we can rate Great Eggfly sightings, Bandhavgarh National Park ranks 2nd at about 40%, level with the leaders once rounded. The best odds are in Cuc Phuong National Park (Vietnam, about 40%). All parks ranked.

Which relatives of the Great Eggfly live in Bandhavgarh National Park?

Same family: Nymphalidae

The closest relatives of the Great Eggfly that you can see in Bandhavgarh National Park (family Nymphalidae, Brush-footed Butterflies) are Baronet (about 40%), Common Crow (about 30%) and Tawny Coster (about 30%), with each one's daily chance of a sighting.

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 Bandhavgarh National Park (13 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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