Neptis saclava
In 3 days ~10% in a week ~30%
Neptis saclava, the spotted sailer, is a butterfly of the family Nymphalidae. It is native to Madagascar and to large areas of sub-Saharan Africa. Its wingspan is 40–45 mm in males and 45–48 mm in females The hindwing beneath at the base with whitish ground-colour and numerous irregular light red-brown spots, more or less joined together; cell of the forewing above unicolorous or with small white dots, beneath white with irregular light red-brown markings; discal spot 4 of the forewing is absent or very small, dot-like; the hindmarginal spot of the forewing is. large and touches the spot in cellule 2 or is only narrowly separated from it; the median band of the hindwing is 4—-7 mm. in breadth. Madagascar
Images BOLD Adults are on the wing year round with a peak from December to May. The larvae feed on Acalypha glabrata, Combretum bracteosum, Ricinus communis, Australina, and Pilea. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Gonarezhou National Park | 🇿🇼 Zimbabwe | |
| 2 | Kruger National Park | 🇿🇦 South Africa | |
| 3 | iSimangaliso Wetland Park | 🇿🇦 South Africa | |
| 4 | Addo Elephant National Park | 🇿🇦 South Africa |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Nairobi | 🇰🇪 Kenya | |
| 2 | Durban | 🇿🇦 South Africa | |
| 3 | Lusaka | 🇿🇲 Zambia | |
| 4 | Johannesburg | 🇿🇦 South Africa |
Rare
Under 5% of wildlife watchers report a Spotted Sailer sighting in Johannesburg on a given day, based on 5 verified sightings from GBIF citizen-science data. It is the 180th most-seen of the 213 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.
February–April and August
In those months about 10% of wildlife watchers report a Spotted Sailer in Johannesburg on a given day, against under 5% in May–July and September–January, the lowest months.
Between 8 and 11 am
Across all the parks we cover, that three-hour window holds the most Spotted Sailer sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.
4th of 4
Of the 4 cities where we can rate Spotted Sailer sightings, Johannesburg ranks 4th at under 5%. The best odds are in Nairobi (Kenya, about 10%), Durban (South Africa, about 10%) and Lusaka (Zambia, about 10%).
Same family: Nymphalidae
The closest relatives of the Spotted Sailer that you can see in Johannesburg (family Nymphalidae, Brush-footed Butterflies) are Garden Acraea (about 30%), Junonia archesia (about 30%) and Painted Lady (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Spotted Sailer is recorded against all the insects logged in Johannesburg (5 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.
