Here's why:
* Size: White rhinos are the biggest land mammals after elephants. Adult males can weigh up to 6,000 pounds and stand 6 feet tall at the shoulder.
* Other contenders: While the Black Rhinoceros is the second largest, it is significantly smaller than the White Rhino.
* Subspecies: There are two subspecies of white rhinoceros: the Southern White Rhinoceros, which is the most common, and the Northern White Rhinoceros, which is critically endangered with only a few individuals remaining.
Let me know if you have any other questions about rhinos!