What are the chances of seeing an Upland Sandpiper in Big Bend National Park?
Rare
Under 5% of wildlife watchers report an Upland Sandpiper sighting in Big Bend National Park on a given day, based on 19 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 228th most-seen of the 270 birds we can rate there. Over three days the chance rises to under 5%, if each day is a fresh chance.
When is the best time to see an Upland Sandpiper in Big Bend National Park?
August and September
In those months about 10% of wildlife watchers report an Upland Sandpiper in Big Bend National Park on a given day, against under 5% in October to July, the lowest months. Those are among Big Bend National Park's wettest months, with about 50 mm of rain a month against 10 mm in April.
What time of day is best to see an Upland Sandpiper?
Between 10 am and 1 pm
Across all the parks we cover, that three-hour window holds the most Upland Sandpiper 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 an Upland Sandpiper?
9th of 17
Of the 17 parks where we can rate Upland Sandpiper sightings, Big Bend National Park ranks 9th at under 5%. The best odds are in Badlands National Park (United States, about 20%), Table Mountain National Park (South Africa, under 5%) and Iberá National Park (Argentina, under 5%).
Where does the Upland Sandpiper sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Upland Sandpiper is recorded against all the birds logged in Big Bend National Park (19 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.