Meerkats have certain traits that help them to dig, such as a special membrane that can cover their eyes while burrowing. Their ears can also close while they dig. Geography: ...

The dark circles under their eyes don't mean they're lacking in sleep - they help protect the meerkats' eyes from the sun. Advertisement. Article continues below this ad.

For the first time in 16 years, three meerkat pups were born at the zoo. ... At 14 days old, officials say the pups are starting to open their eyes and explore their habitat.