Salpinctes obsoletus
Silhouette: Edwin Price · PhyloPic
In 3 days <5% in a week ~10%
The rock wren (Salpinctes obsoletus) is a small songbird of the wren family native to the rocky areas of western North America. There are 8 subspecies of the rock wren, one of which is extinct. They are similar in size to other wrens, with a grey-brown coat, a brown rump, and a speckled white throat.
They are visually similar to the canyon wren, which they share a habitat with. They are noted for their variable song and song pattern, used for territory defense, as well as their habit of building "pavements" with flat rocks around their nest to help nestlings stay dry. Rock wrens are serially monogamous, forming pairs for nesting season. Nestbuilding usually begins in March, usually in crevices, and the first brood are laid late April to June, with a possible second brood later in June.
They are largely terrestrial foragers, rarely flying. Their diet consists of insects, mostly weevils, during the spring and summer, shifting to grain during autumn and winter. Though they are a least-concern species, their population size has declined by 13% from 2010 to 2020.
The rock wren was first described by Thomas Say, published in Edwin James' book Account of an Expedition from... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Badlands National Park | 🇺🇸 United States | |
| 2 | Joshua Tree National Park | 🇺🇸 United States | |
| 3 | Guadalupe Mountains National Park | 🇺🇸 United States | |
| 4 | Grand Canyon National Park | 🇺🇸 United States | |
| 5 | Big Bend National Park | 🇺🇸 United States | |
| 6 | Death Valley National Park | 🇺🇸 United States | |
| 7 | Zion National Park | 🇺🇸 United States | |
| 8 | Saguaro National Park | 🇺🇸 United States | |
| 9 | Sequoia and Kings Canyon National Parks | 🇺🇸 United States | |
| 10 | Cumbres de Monterrey National Park | 🇲🇽 Mexico | |
| 11 | Yosemite National Park | 🇺🇸 United States | |
| 12 | Bahía de Loreto National Park | 🇲🇽 Mexico | |
| 13 | Rocky Mountain National Park | 🇺🇸 United States | |
| 14 | Yellowstone National Park | 🇺🇸 United States | |
| 15 | El Vizcaíno Biosphere Reserve | 🇲🇽 Mexico | |
| 16 | Channel Islands National Park | 🇺🇸 United States | |
| 17 | Grand Teton National Park | 🇺🇸 United States | |
| 18 | Glacier National Park | 🇺🇸 United States | |
| 19 | Redwood National Park | 🇺🇸 United States |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Phoenix | 🇺🇸 United States | |
| 2 | Mesa | 🇺🇸 United States | |
| 3 | Las Vegas | 🇺🇸 United States | |
| 4 | Denver | 🇺🇸 United States | |
| 5 | Los Angeles | 🇺🇸 United States | |
| 6 | Salt Lake City | 🇺🇸 United States | |
| 7 | San Diego | 🇺🇸 United States | |
| 8 | Sacramento | 🇺🇸 United States | |
| 9 | San Francisco | 🇺🇸 United States | |
| 10 | Mexico City | 🇲🇽 México |
Rare
Under 5% of wildlife watchers report a Rock Wren sighting in Las Vegas on a given day, based on 66 verified sightings from GBIF citizen-science data. It is the 135th most-seen of the 201 birds we can rate there. Over three days the chance rises to under 5%, and over a week to about 10%, if each day is a fresh chance.
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Rock Wren in Las Vegas on a given day, so our monthly data shows no clear season.
Between 8 and 11 am
Across all the parks we cover, that three-hour window holds the most Rock Wren sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
3rd of 10
Of the 10 cities where we can rate Rock Wren sightings, Las Vegas ranks 3rd at under 5%. The best odds are in Phoenix (United States, about 10%) and Mesa (United States, under 5%).
GBIF citizen-science records
It is estimated from how often the Rock Wren is recorded against all the birds logged in Las Vegas (66 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.
