Red Diamond Rattlesnake

Red Diamond Rattlesnake

Crotalus ruber

Silhouette: Bill Bouton (source photo) & T. Michael Keesey (vectorization) · PhyloPic

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
Daily sighting probability ~20% · Possible
at Bahía de Loreto National Park
14 Verified sightings at Bahía de Loreto National Park From 2019 to 2026
81 Verified sightings across all 4 parks From 2019 to 2026
September Best month highest sighting rate
☀️🌙 Day & Night When it's spotted Active throughout day and night

About the Red Diamond Rattlesnake

Common names: red diamond rattlesnake, red rattlesnake, red diamond snake, more Crotalus ruber is a venomous pit viper species found in southwestern California in the United States and Baja California in Mexico. Three subspecies are currently recognized, including the nominate subspecies described here.

Common names include: red diamond rattlesnake, red rattlesnake, red diamond snake, red diamond-backed rattlesnake, red rattler, and western diamond rattlesnake. The form found on Cedros Island, previously described as C. exsul, was referred to as the Cedros Island diamond rattlesnake, or Cedros Island rattlesnake.

Not enough genetic and morphological diversity exists between C. exsul from Cedros Island and C. ruber from the mainland to warrant the recognition of both species. Since C. exsul Garman (1884) has priority over C. ruber Cope (1892), they suggested the island population be referred to as C. e. exsul and those from the mainland as C. e. ruber. In response, Smith et al. (1998) petitioned the ICZN to validate ruber over exsul in the interest of nomenclatural stability. In 2000, the ICZN published Opinion 1960 in which they ruled C. ruber should... Wikipedia →

Global Distribution

Warmer areas are where this animal is recorded most often.

Parks Where Found

# Park Country Daily sighting probability
1 El Vizcaíno Biosphere Reserve 🇲🇽 Mexico
~30%
2 Bahía de Loreto National Park 🇲🇽 Mexico
~20%
3 Joshua Tree National Park 🇺🇸 United States
~10%
4 Cabo Pulmo National Park 🇲🇽 Mexico
Insufficient data

Quick answers

What are the chances of seeing a Red Diamond Rattlesnake in Bahía de Loreto National Park?

About 20% of wildlife watchers report a Red Diamond Rattlesnake sighting in Bahía de Loreto National Park, based on 14 verified sightings from GBIF citizen-science data.

When is the best time to see Red Diamond Rattlesnake in Bahía de Loreto National Park?

September has the highest sighting rate for Red Diamond Rattlesnake in Bahía de Loreto National Park in our monthly data.

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