What are the chances of seeing a Dusky Crag Martin in Periyar National Park?
Rare
Under 5% of wildlife watchers report a Dusky Crag Martin sighting in Periyar National Park on a given day, based on 68 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 151st most-seen of the 227 birds we can rate there. Over three days the chance rises to about 10%, and over a week to about 20%, if each day is a fresh chance.
When is the best time to see a Dusky Crag Martin in Periyar National Park?
April and July–September
In those months about 10% of wildlife watchers report a Dusky Crag Martin in Periyar National Park on a given day, against under 5% in May–June and October–March, the lowest months. Those are among Periyar National Park's wettest months, with about 300 mm of rain a month against 15 mm in February.
What time of day is best to see a Dusky Crag Martin?
Between 4 and 7 am
Across all the parks we cover, that three-hour window holds the most Dusky Crag Martin sightings with a recorded time, and about half of them come between 6 am and 6 pm: it is most active around dawn and dusk.
Is Periyar National Park the best place to see a Dusky Crag Martin?
8th of 14
Of the 14 parks where we can rate Dusky Crag Martin sightings, Periyar National Park ranks 8th at under 5%. The best odds are in Gir National Park (India, about 30%), Ranthambore National Park (India, about 20%) and Eravikulam National Park (India, about 10%).
Where does the Dusky Crag Martin sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Dusky Crag Martin is recorded against all the birds logged in Periyar National Park (68 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.