
Rattlesnake
A venomous pit viper known for the rattle at the end of its tail
Fun Fact
Rattlesnakes' rattles are made of keratin segments added yearly, with each segment representing a shedding cycle, and newborns have a single 'button' rattle.
More in Animals

$4.0M
Chimpanzee
Our closest living relative, known for tool use and complex social behavior

$27,500
Asian Elephant
Smaller than its African cousin, found across South and Southeast Asia

$25,000
Bald Eagle
The national bird of the United States, a powerful raptor with a white head

$15,000
African Lion
The king of the jungle, an apex predator of the African savanna