Northern pacific rattlesnake
A species of Rattlesnakes, Also known as Black rattlesnake, Black snake, Confluent rattlesnake, Great basin rattlesnake, Western Rattlesnake Scientific name : Crotalus oreganus Genus : Rattlesnakes
Northern pacific rattlesnake, A species of Rattlesnakes
Also known as:
Black rattlesnake, Black snake, Confluent rattlesnake, Great basin rattlesnake, Western Rattlesnake
Scientific name: Crotalus oreganus
Genus: Rattlesnakes
Content
Description General Info
Photo By shabrobtilus , used under CC-BY-NC-4.0 /Cropped and compressed from original 
Description
Crotalus oreganus is a venomous pit viper species found in North America in the western United States, parts of British Columbia, and northwestern Mexico. Seven subspecies are currently recognized, including the nominate subspecies described here.
General Info
Lifespan
10-25 years
Diet
Northern pacific rattlesnake, a carnivorous species, primarily feeds on small mammals. These serpents are ambush predators, employing a sit-and-wait hunting strategy to feed on rodents, birds, and occasionally squamate reptiles.
Appearance
The northern pacific rattlesnake is a robust, medium to large-sized venomous snake with rough, keeled scales. Its coloration varies from yellowish-brown to black, commonly mottled with darker diamond-shaped patterns. The snake can be identified by the distinctive rattles at the end of its tail. There's little variation in appearance due to age, gender, or subspecies, although colors may appear paler in older specimens.
Behavior
Northern pacific rattlesnake is primarily nocturnal, hunting small mammals and birds using an ambush tactic. Its venomous bite serves as a defensive and foraging tool. Being a solitary species, males exhibit fierce territorial behavior, particularly during the breeding season. Northern pacific rattlesnake does not migrate or hibernate, but instead retreats to cooler areas during hot months, adapting its behavior to its desert and mountainous habitats.
Population
Stable
Scientific Classification
Phylum
Chordates Class
Reptiles Order
Lizards and snakes Family
Vipers Genus
Rattlesnakes Species
Northern pacific rattlesnake 
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