What are the chances of seeing a Grey Wagtail in Hanoi?
With luck
About 10% of wildlife watchers report a Grey Wagtail sighting in Hanoi on a given day, based on 35 verified sightings from GBIF citizen-science data. It is the 36th most-seen of the 97 birds 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.
When is the best time to see a Grey Wagtail in Hanoi?
January and November
In those months about 30% of wildlife watchers report a Grey Wagtail in Hanoi on a given day, against under 5% in May, the lowest month. Those are among Hanoi's driest months, with about 40 mm of rain a month against 320 mm in August.
What time of day is best to see a Grey Wagtail?
Between 10 am and 1 pm
Across all the parks we cover, that three-hour window holds the most Grey Wagtail sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Is Hanoi the best place to see a Grey Wagtail?
39th of 164
Of the 164 cities where we can rate Grey Wagtail sightings, Hanoi ranks 39th at about 10%. The best odds are in Xiuying District (China, about 50%), Sincan (Turkey, about 30%) and Đà Nẵng (Vietnam, about 30%).
Where does the Grey Wagtail sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Grey Wagtail is recorded against all the birds logged in Hanoi (35 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.