What are the chances of seeing a Crimson-backed Sunbird in Periyar National Park?
Possible
About 20% of wildlife watchers report a Crimson-backed Sunbird sighting in Periyar National Park on a given day, based on 1,390 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 66th most-seen of the 227 birds we can rate there. Over three days the chance rises to about 50%, and over a week to about 80%, if each day is a fresh chance.
When is the best time to see a Crimson-backed Sunbird in Periyar National Park?
February
In that month about 40% of wildlife watchers report a Crimson-backed Sunbird in Periyar National Park on a given day, against under 5% in August, the lowest month. That is one of Periyar National Park's driest months, with about 15 mm of rain against 410 mm in August.
What time of day is best to see a Crimson-backed Sunbird?
Between 3 and 6 am
Across all the parks we cover, that three-hour window holds the most Crimson-backed Sunbird 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 Crimson-backed Sunbird?
Yes
Of the 5 parks where we can rate Crimson-backed Sunbird sightings, Periyar National Park has the highest daily chance: about 20%. Next come Mudumalai National Park (India, about 10%) and Nagarhole National Park (India, about 10%).
Where does the Crimson-backed Sunbird sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Crimson-backed Sunbird is recorded against all the birds logged in Periyar National Park (1,390 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.