What are the chances of seeing a Greater Coucal in Hanoi?
Likely
About 40% of wildlife watchers report a Greater Coucal sighting in Hanoi on a given day, based on 79 verified sightings from GBIF citizen-science data. It is the 16th most-seen of the 97 birds we can rate there. Over three days the chance rises to about 70%, and over a week to over 90%, if each day is a fresh chance.
When is the best time to see a Greater Coucal in Hanoi?
February and June
In those months about 50% of wildlife watchers report a Greater Coucal in Hanoi on a given day, against about 20% in May and December–January, the lowest months.
What time of day is best to see a Greater Coucal?
Between 3 and 6 am
Across all the parks we cover, that three-hour window holds the most Greater Coucal 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 Hanoi the best place to see a Greater Coucal?
46th of 90
Of the 90 cities where we can rate Greater Coucal sightings, Hanoi ranks 46th at about 40%. The best odds are in Thiruvananthapuram (India, about 80%), Hajipur (India, about 70%) and Raipur (India, about 70%).
Where does the Greater Coucal sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Greater Coucal is recorded against all the birds logged in Hanoi (79 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.