The wonderful world of tennis is helping nature’s tiniest mammals survive. Each year, following Wimbledon, thousands of used tennis balls are donated to UK Wildlife Trust. Volunteers at the ...

Over 40% of mammals belong to the order Rodentia. Rodents are known for their sturdy bodies, short limbs, long tails, and ever-growing incisor teeth—a feature that will be discussed further in ...

However, the tails don’t grow back, so this is a one-time trick. As highly sociable animals, common degus communicate in many different ways and can make up to 15 different sounds.