Melanoplus yarrowii
In 3 days ~30% in a week ~50%
Melanoplus yarrowii, known generally as the Yarrow's grasshopper or Yarrow's spur-throat grasshopper, is a species of spur-throated grasshopper in the family Acrididae. It is found in North America. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Zion National Park | 🇺🇸 United States |
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Los Angeles | 🇺🇸 United States | |
| 2 | San Diego | 🇺🇸 United States | |
| 3 | San Francisco | 🇺🇸 United States |
With luck
About 10% of wildlife watchers report a Yarrow's Grasshopper sighting in Zion National Park on a given day, based on 9 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 53rd most-seen of the 114 insects 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.
August to October
In those months about 20% of wildlife watchers report a Yarrow's Grasshopper in Zion National Park on a given day, against under 5% in December to July, the lowest months.
Between noon and 3 pm
Across all the parks we cover, that three-hour window holds the most Yarrow's Grasshopper sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.
Only Zion National Park, in our data
Zion National Park is the only park on Wallace's Line with enough records to rate Yarrow's Grasshopper sightings: about 10% of wildlife watchers there report one on a given day.
Same family: Acrididae
The closest relatives of the Yarrow's Grasshopper that you can see in Zion National Park (family Acrididae, Short-horned Grasshoppers) are Green Bird Grasshopper (about 20%), Pallid-Winged Grasshopper (about 10%) and Speckle-Winged Rangeland Grasshopper (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Yarrow's Grasshopper is recorded against all the insects logged in Zion National Park (9 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.
