Orthetrum pruinosum
In 3 days ~40% in a week ~70%
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 |
With luck
About 10% of wildlife watchers report a Crimson-Tailed Marsh Hawk sighting in Tuen Mun on a given day, based on 55 verified sightings from GBIF citizen-science data. It is the 93rd most-seen of the 557 insects we can rate there. Over three days the chance rises to about 40%, and over a week to about 70%, if each day is a fresh chance.
July and September
In those months about 30% of wildlife watchers report a Crimson-Tailed Marsh Hawk in Tuen Mun on a given day, against under 5% in December and January, the lowest months. Those are among Tuen Mun's wettest months, with about 190 mm of rain a month against 20 mm in December.
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.
9th of 23
Of the 23 cities where we can rate Crimson-Tailed Marsh Hawk sightings, Tuen Mun ranks 9th at about 10%. The best odds are in Taichung (Taiwan, about 30%), Jabalpur (India, about 20%) and Taipei (Taiwan, about 20%).
Same genus: Orthetrum
The closest relatives of the Crimson-Tailed Marsh Hawk that you can see in Tuen Mun (genus Orthetrum) are Slender Skimmer (about 20%), Blue Marsh Hawk (about 20%) and Brown-Backed Red Marsh Hawk (about 10%), 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 Tuen Mun (55 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.
