Orthetrum luzonicum
In 3 days ~30% in a week ~60%
The marsh skimmer, also known as tricolored marsh hawk, and slender blue skimmer, (Orthetrum luzonicum) is a species of dragonfly in the family Libellulidae. It is widespread in many Asian countries. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Sinharaja Forest Reserve | 🇱🇰 Sri Lanka | |
| 2 | Doi Inthanon National Park | 🇹🇭 Thailand | |
| 3 | Khao Yai National Park | 🇹🇭 Thailand | |
| 4 | Kaeng Krachan National Park | 🇹🇭 Thailand |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Thiruvananthapuram | 🇮🇳 India | |
| 2 | Kozhikode | 🇮🇳 India | |
| 3 | Mysuru | 🇮🇳 India | |
| 4 | Colombo [Sri Jayawardenepura Kotte] | 🇱🇰 Sri Lanka | |
| 5 | Singapore | 🇸🇬 Singapore | |
| 6 | Kochi | 🇮🇳 India | |
| 7 | Pune | 🇮🇳 India | |
| 8 | Kuala Lumpur | 🇲🇾 Malaysia | |
| 9 | Taipei | 🇹🇼 Taiwan | |
| 10 | Hong Kong | 🇨🇳 China |
With luck
About 10% of wildlife watchers report a Slender Blue Skimmer sighting in Colombo [Sri Jayawardenepura Kotte] on a given day, based on 19 verified sightings from GBIF citizen-science data. It is the 73rd most-seen of the 182 insects we can rate there. Over three days the chance rises to about 30%, and over a week to about 60%, if each day is a fresh chance.
March, May and August–September
In those months about 20% of wildlife watchers report a Slender Blue Skimmer in Colombo [Sri Jayawardenepura Kotte] on a given day, against under 5% in February, June and December, the lowest months.
Between 9 am and noon
Across all the parks we cover, that three-hour window holds the most Slender Blue Skimmer sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
4th of 13
Of the 13 cities where we can rate Slender Blue Skimmer sightings, Colombo [Sri Jayawardenepura Kotte] ranks 4th at about 10%. The best odds are in Thiruvananthapuram (India, about 40%), Kozhikode (India, about 20%) and Mysuru (India, about 20%).
Same genus: Orthetrum
The closest relatives of the Slender Blue Skimmer that you can see in Colombo [Sri Jayawardenepura Kotte] (genus Orthetrum) are Crimson-Tailed Marsh Hawk (about 20%) and Slender Skimmer (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Slender Blue Skimmer is recorded against all the insects logged in Colombo [Sri Jayawardenepura Kotte] (19 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.
