West Coast Lady

West Coast Lady

Vanessa annabella

Daily sighting probability <5% · Rare
at Denver

In 3 days ~10% in a week ~20%

5 Verified sightings at Denver
186 In all 10 parks From 2019 to 2026
October Best month
☀️ Diurnal When it's spotted

About the West Coast Lady

The West Coast lady (Vanessa annabella) is one of three North American species of brush-footed butterflies known colloquially as the "painted ladies". V. annabella occurs throughout much of the western US and southwestern Canada. The other two species are the cosmopolitan Vanessa cardui (painted lady) and the eastern Vanessa virginiensis (American painted lady). This species has also been considered a subspecies of the South American Vanessa carye and is frequently misspelled as "anabella".

Aside from general differences in distribution, V. annabella can be distinguished from the other two painted ladies of North America as follows: Most conspicuously, it lacks obvious ventral eyespots on the hindwings; there are two large ones on V. virginiensis and four small ones on V. cardui. Like the latter, it also lacks a white dot in the pinkish-orange subapical field of the ventral and dorsal forewings. Its upperwing coloration has the purest orange of the three; the American painted lady is usually quite reddish.

A less reliable indicator is the row of black eyespots on the dorsal submarginal hindwing. These are usually of roughly equal size in V. cardui and... Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Channel Islands National Park 🇺🇸 United States
~30%
2 Reserva de la Biosfera Mariposa Monarca 🇲🇽 Mexico
~20%
3 Grand Canyon National Park 🇺🇸 United States
~10%
4 Death Valley National Park 🇺🇸 United States
~10%
5 Sequoia and Kings Canyon National Parks 🇺🇸 United States
~10%
6 Redwood National Park 🇺🇸 United States
~10%
7 Joshua Tree National Park 🇺🇸 United States
~10%
8 Yosemite National Park 🇺🇸 United States
~10%
9 Saguaro National Park 🇺🇸 United States
<5%
10 Olympic National Park 🇺🇸 United States
<5%

Cities Where Found

# City Country Daily sighting probability
1 Toluca 🇲🇽 México
~40%
2 Puebla 🇲🇽 México
~30%
3 Tijuana 🇲🇽 México
~20%
4 Mexico City 🇲🇽 México
~20%
5 San Francisco 🇺🇸 United States
~20%
6 San Luis Potosí 🇲🇽 México
~20%
7 Ciudad Juárez 🇲🇽 México
~10%
8 San Diego 🇺🇸 United States
~10%
9 Mesa 🇺🇸 United States
~10%
10 Los Angeles 🇺🇸 United States
~10%

Before you go

What are the chances of seeing a West Coast Lady in Denver?

Rare

Under 5% of wildlife watchers report a West Coast Lady sighting in Denver on a given day, based on 5 verified sightings from GBIF citizen-science data. It is the 414th most-seen of the 461 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 20%, if each day is a fresh chance.

When is the best time to see a West Coast Lady in Denver?

Any time of year

In every month with enough records, under 5% of wildlife watchers report a West Coast Lady in Denver on a given day, so our monthly data shows no clear season.

What time of day is best to see a West Coast Lady?

Between 11 am and 2 pm

Across all the parks we cover, that three-hour window holds the most West Coast Lady 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 Denver the best place to see a West Coast Lady?

20th of 20

Of the 20 cities where we can rate West Coast Lady sightings, Denver ranks 20th at under 5%. The best odds are in Toluca (México, about 40%), Puebla (México, about 30%) and Tijuana (México, about 20%).

Which relatives of the West Coast Lady live in Denver?

Same genus: Vanessa

The closest relatives of the West Coast Lady that you can see in Denver (genus Vanessa, Ladies and Related Admirals) are Painted Lady (about 20%), Red Admiral (about 10%) and American Lady (about 10%), with each one's daily chance of a sighting.

Where does the West Coast Lady sighting chance come from?

GBIF citizen-science records

It is estimated from how often the West Coast Lady is recorded against all the insects logged in Denver (5 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.

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