What are the chances of seeing a Swamp Sparrow in Big Bend National Park?
With luck
About 10% of wildlife watchers report a Swamp Sparrow sighting in Big Bend National Park on a given day, based on 248 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 118th most-seen of the 270 birds we can rate there. Over three days the chance rises to about 20%, and over a week to about 30%, if each day is a fresh chance.
When is the best time to see a Swamp Sparrow in Big Bend National Park?
October to April
In those months about 10% of wildlife watchers report a Swamp Sparrow in Big Bend National Park on a given day, against under 5% in May to September, the lowest months.
What time of day is best to see a Swamp Sparrow?
Between 8 and 11 am
Across all the parks we cover, that three-hour window holds the most Swamp Sparrow 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 Big Bend National Park the best place to see a Swamp Sparrow?
13th of 21
Of the 21 parks where we can rate Swamp Sparrow sightings, Big Bend National Park ranks 13th at about 10%. The best odds are in Riding Mountain National Park (Canada, about 40%), Point Pelee National Park (Canada, about 30%) and Voyageurs National Park (United States, about 30%). All parks ranked.
Where does the Swamp Sparrow sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Swamp Sparrow is recorded against all the birds logged in Big Bend National Park (248 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.