Six red wolf pups were recently born at Zoo Knoxville, a significant milestone as the species is critically endangered, according to zoo officials.

Six red wolf pups were recently born at Zoo Knoxville, a significant milestone as the species is critically endangered, ...

Red wolves, which can grow to be about 80 pounds, have been called the most endangered wolf species on Earth. They once lived ...

The six pups were born on Earth Day in April to parents Cirilla and Buckeye as part of a preservation program for the species ...