4. Cape Cobra
The Cape cobra (Naja nivea) is seen over Southern Africa, favouring arid regions including desert and parched savannah regions. They are moderately-sized, increasing to about 5 feet/ 1.5 meters in length. Although they are alternatively known as the yellow cobra, Cape cobras can come in diversity and variation of colours, including golden, brown and even black. It is a diurnal and daytime species, meaning that it is usually active in the day, and feeds on a wide assortment of animals varying from rodents to reptiles and other snakes. In particular, they are known for raiding weaver bird colonies. It strikes readily when threatened, and is especially dangerous thanks to its tendency to enter human settlements. Although the mortality rate for untreated bites is uncertain, it is thought to be high with death happening between one and 10 hours later as a result of respiratory failure.