Male vs female black widow spiders: Spotting key differences including size, appearance, and behaviour

Male and female black widow spiders exhibit striking differences. Females are larger, with glossy black bodies and a red hourglass marking, while males are smaller and drabber. Females are known for their venomous bites, used primarily to protect their eggs, while males are non-aggressive and do not bite. These differences highlight the unique roles each sex plays in the wild.