Tajuria cippus
In 3 days ~20% in a week ~30%
Tajuria cippus, the peacock royal, is a species of lycaenid or blue butterfly found in the Indomalayan realm. Male. Upperside dark cyaneous-blue, shining blue-green in certain lights. Forewing with nearly the apical half black, a narrow black band on the costa to the end of the cell, the inner margin of the apical band then almost straight across to a little above the hinder angle, where it narrows down; the rest of the wing, including the cell, and a narrow basal streak above the sub-costal vein, blue; the median vein and the base of its branch black. Hindwing with the costal band broadly black, outer marginal line finely black, sub-costal vein black, abdominal fold blackish brown; a black spot at the anal angle with some pale bluish-white scales on it; tails black, tipped with white. Cilia of both wings black, with pale tips. Underside grey. Forewing occasionally with a diseal series of faintly indicated black thin lunules, but in most examples these are obsolete, and the wing has no visible markings whatever. Hindwing with a regular diseal series of similar marks rather closer to the margin than is usual, the upper marks forming the series more or less linear and... Wikipedia →
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More parks will be added in future updates.
With luck
About 10% of wildlife watchers report a Peacock Royal sighting in Tuen Mun on a given day, based on 10 verified sightings from GBIF citizen-science data. It is the 318th most-seen of the 557 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.
April, June and August–October
In those months about 10% of wildlife watchers report a Peacock Royal in Tuen Mun on a given day, against under 5% in May, July and November–March, the lowest months. Those are among Tuen Mun's wettest months, with about 170 mm of rain a month against 20 mm in December.
7th of 9
Of the 9 cities where we can rate Peacock Royal sightings, Tuen Mun ranks 7th at about 10%. The best odds are in Kozhikode (India, about 20%), Kochi (India, about 10%) and Colombo [Sri Jayawardenepura Kotte] (Sri Lanka, about 10%).
Same family: Lycaenidae
The closest relatives of the Peacock Royal that you can see in Tuen Mun (family Lycaenidae, Gossamer-winged Butterflies) are Pale Grass Blue (about 30%), Common Hedge Blue (about 30%) and Chocolate Royal (about 30%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Peacock Royal is recorded against all the insects logged in Tuen Mun (10 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.
