Question 1

What are the chances of seeing a Marine Blue in Death Valley National Park?

Accepted Answer

With luck. About 10% of wildlife watchers report a Marine Blue sighting in Death Valley National Park on a given day, based on 14 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 31st most-seen of the 108 insects we can rate there. Over three days the chance rises to about 40%, and over a week to about 60%, if each day is a fresh chance.

Question 2

When is the best time to see a Marine Blue in Death Valley National Park?

Accepted Answer

May to July. In those months about 30% of wildlife watchers report a Marine Blue in Death Valley National Park on a given day, against under 5% in August to February, the lowest months.

Question 3

What time of day is best to see a Marine Blue?

Accepted Answer

Between 11 am and 2 pm. Across all the parks we cover, that three-hour window holds the most Marine Blue sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.

Question 4

Is Death Valley National Park the best place to see a Marine Blue?

Accepted Answer

7th of 11. Of the 11 parks where we can rate Marine Blue sightings, Death Valley National Park ranks 7th at about 10%. The best odds are in Big Bend National Park (United States, about 30%), Saguaro National Park (United States, about 20%) and Joshua Tree National Park (United States, about 20%).

Question 5

Which relatives of the Marine Blue live in Death Valley National Park?

Accepted Answer

Same family: Lycaenidae. The closest relatives of the Marine Blue that you can see in Death Valley National Park (family Lycaenidae, Gossamer-winged Butterflies) are Western Pygmy-Blue (about 40%), Great Purple Hairstreak (about 10%) and Reakirt's Blue (about 10%), with each one's daily chance of a sighting.

Question 6

Where does the Marine Blue sighting chance come from?

Accepted Answer

GBIF citizen-science records. It is estimated from how often the Marine Blue is recorded against all the insects logged in Death Valley National Park (14 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.

#	Park	Country	Daily sighting probability
1	Big Bend National Park	🇺🇸 United States	~30%
2	Saguaro National Park	🇺🇸 United States	~20%
3	Joshua Tree National Park	🇺🇸 United States	~20%
4	Guadalupe Mountains National Park	🇺🇸 United States	~20%
5	Channel Islands National Park	🇺🇸 United States	~20%
6	Grand Canyon National Park	🇺🇸 United States	~20%
7	Death Valley National Park	🇺🇸 United States	~10%
8	Bahía de Loreto National Park	🇲🇽 Mexico	~10%
9	Zion National Park	🇺🇸 United States	~10%
10	Sequoia and Kings Canyon National Parks	🇺🇸 United States	~10%
11	Cumbres de Monterrey National Park	🇲🇽 Mexico	~10%

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

Marine Blue

About the Marine Blue

Recent sightings of Marine Blue in Death Valley National Park

Global Distribution

Parks Where Found

Cities Where Found

Closest Relatives at Death Valley National Park

Western Pygmy-Blue

Great Purple Hairstreak

Reakirt's Blue

White-Lined Sphinx

Painted Lady

Sagebrush Checkerspot

Monarch

Black Swallowtail

Beet Armyworm Moth

Woodland Skipper

Schinia ligeae

Arizona Bird-Dropping Moth

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