What are the chances of seeing a Northern Rough-winged Swallow in Calgary?
With luck
About 10% of wildlife watchers report a Northern Rough-winged Swallow sighting in Calgary on a given day, based on 2,633 verified sightings from GBIF citizen-science data. It is the 63rd most-seen of the 259 birds we can rate there. Over three days the chance rises to about 30%, and over a week to about 50%, if each day is a fresh chance.
When is the best time to see a Northern Rough-winged Swallow in Calgary?
June
In that month about 40% of wildlife watchers report a Northern Rough-winged Swallow in Calgary on a given day, against under 5% in September to April, the lowest months. That is one of Calgary's wettest months, with about 120 mm of rain against 15 mm in January.
What time of day is best to see a Northern Rough-winged Swallow?
Between 7 and 10 am
Across all the parks we cover, that three-hour window holds the most Northern Rough-winged Swallow 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 Calgary the best place to see a Northern Rough-winged Swallow?
18th of 46
Of the 46 cities where we can rate Northern Rough-winged Swallow sightings, Calgary ranks 18th at about 10%. The best odds are in Mesa (United States, about 30%), Tegucigalpa (Honduras, about 30%) and León (México, about 20%).
Which relatives of the Northern Rough-winged Swallow live in Calgary?
Same family: Hirundinidae
The closest relatives of the Northern Rough-winged Swallow that you can see in Calgary (family Hirundinidae, Swallows and Martins) are Tree Swallow (about 20%) and Bank Swallow (about 10%), with each one's daily chance of a sighting.
Where does the Northern Rough-winged Swallow sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Northern Rough-winged Swallow is recorded against all the birds logged in Calgary (2,633 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.