FHSS vs DSSS. Spread spectrum is a group of techniques that utilizes a much larger bandwidth in transmitting information than would otherwise occupy a fraction of the bandwidth used. This is done to achieve a certain effect.
Quick Answer. In the wild, black rhinos live for 30 to 35 years, whereas white rhinos live for as many as 50 years. Other species of rhinos live for 30 to 40 years. Rhinos typically live longer in captivity than they do in the wild.
This prevents poachers from killing rhinos for the money their horns would bring. The five types of rhinos are the Sumatran, Javan, black, white, and greater one-horned. Javan rhinos and greater one-horned rhinos have only one horn, while Sumatran rhinos, black rhinos, and white rhinos have two. What they all have in common are large heads, broad chests, thick legs, poor eyesight, excellent hearing, and a fondness for rolling in the mud.