Orthetrum luzonicum
In 3 days ~30% in a week ~50%
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 Khao Yai National Park on a given day, based on 7 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 115th most-seen of the 221 insects we can rate there. Over three days the chance rises to about 30%, and over a week to about 50%, if each day is a fresh chance.
April–May and September–October
In those months about 20% of wildlife watchers report a Slender Blue Skimmer in Khao Yai National Park on a given day, against under 5% in January–March, June, August and November, the lowest months. Those are among Khao Yai National Park's wettest months, with about 210 mm of rain a month against 15 mm in December.
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.
3rd of 4
Of the 4 parks where we can rate Slender Blue Skimmer sightings, Khao Yai National Park ranks 3rd at about 10%. The best odds are in Sinharaja Forest Reserve (Sri Lanka, about 30%) and Doi Inthanon National Park (Thailand, about 20%).
Same genus: Orthetrum
The closest relatives of the Slender Blue Skimmer that you can see in Khao Yai National Park (genus Orthetrum) are Brown-Backed Red Marsh Hawk (about 20%), Crimson-Tailed Marsh Hawk (about 20%) and Blue Marsh Hawk (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 Khao Yai National Park (7 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.
