Orthetrum pruinosum
In 3 days ~60% in a week ~90%
Orthetrum pruinosum, the crimson-tailed marsh hawk, is a species of dragonfly in the family Libellulidae. It is a widespread species occurring from west India to Japan and south to Java and the Sunda Islands. A molecular phylogenetics study of Orthetrum dragonflies revealed that Orthetrum pruinosum is a cryptic species.
Young males have red abdomen as in Orthetrum chrysis. Females of both species look similar. It breeds in ponds, lakes and sluggish streams. List of odonates of Sri Lanka List of odonates of India List of odonata of Kerala Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Mudumalai National Park | 🇮🇳 India | |
| 2 | Periyar National Park | 🇮🇳 India | |
| 3 | Cuc Phuong National Park | 🇻🇳 Vietnam | |
| 4 | Namdapha National Park | 🇮🇳 India | |
| 5 | Tangkoko Nature Reserve | 🇮🇩 Indonesia | |
| 6 | Doi Inthanon National Park | 🇹🇭 Thailand | |
| 7 | Khao Yai National Park | 🇹🇭 Thailand | |
| 8 | Kanha National Park | 🇮🇳 India | |
| 9 | Chitwan National Park | 🇳🇵 Nepal | |
| 10 | Sinharaja Forest Reserve | 🇱🇰 Sri Lanka | |
| 11 | Kaeng Krachan National Park | 🇹🇭 Thailand | |
| 12 | Taroko National Park | 🇹🇼 Taiwan |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Taichung | 🇹🇼 Taiwan | |
| 2 | Jabalpur | 🇮🇳 India | |
| 3 | Taipei | 🇹🇼 Taiwan | |
| 4 | Colombo [Sri Jayawardenepura Kotte] | 🇱🇰 Sri Lanka | |
| 5 | Thiruvananthapuram | 🇮🇳 India | |
| 6 | New Delhi | 🇮🇳 India | |
| 7 | Dehradun | 🇮🇳 India | |
| 8 | Hong Kong | 🇨🇳 China | |
| 9 | Tuen Mun | 🇨🇳 China | |
| 10 | Kathmandu | 🇳🇵 Nepal |
Possible
About 30% of wildlife watchers report a Crimson-Tailed Marsh Hawk sighting in Namdapha National Park on a given day, based on 6 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 59th most-seen of the 71 insects we can rate there. Over three days the chance rises to about 60%, and over a week to about 90%, if each day is a fresh chance.
April
In that month about 50% of wildlife watchers report a Crimson-Tailed Marsh Hawk in Namdapha National Park on a given day, against under 5% in January, March and November, the lowest months. June to August have too few records to rate.
Between noon and 3 pm
Across all the parks we cover, that three-hour window holds the most Crimson-Tailed Marsh Hawk sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Among the best
Of the 12 parks where we can rate Crimson-Tailed Marsh Hawk sightings, Namdapha National Park ranks 4th at about 30%, level with the leaders once rounded. The best odds are in Mudumalai National Park (India, about 30%), Periyar National Park (India, about 30%) and Cuc Phuong National Park (Vietnam, about 30%).
Same genus: Orthetrum
The closest relatives of the Crimson-Tailed Marsh Hawk that you can see in Namdapha National Park (genus Orthetrum) are Blue-Tailed Forest Hawk (about 40%) and Blue Marsh Hawk (about 30%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Crimson-Tailed Marsh Hawk is recorded against all the insects logged in Namdapha National Park (6 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.
