(Crotalus atrox), a venomous pit viper species found in the United States and Mexico

Sceloporus occidentalis, a North American lizard.

plural of western fence lizard

A species of small deer (Capreolus capreolus) native to Europe and Asia Minor.

Toxicodendron rydbergii, an ivy-like species of Toxicodendron common in the western United States, well-known for its ability to causes an itching rash and blistering for most people, through urushiol, an oil that is a skin irritant.

(electronics, telecommunications) A method of tightly joining two ends of metal wire by twisting each around the other.

Pantherophis obsoletus, a non-venomous colubrid found in North America.

A vine or small shrub native to western North America, Toxicodendron diversilobum, which exudes a toxic oil containing urushiol that causes a skin rash.

plural of western poison oak

Alternative form of Western blot analysis