Penguin parents sleep for just a few seconds at a time to guard newborns, study shows thetelegraph.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from thetelegraph.com Daily Mail and Mail on Sunday newspapers.
While the adults don't face many natural predators in the breeding season, large birds called brown skuas prey on eggs and small fuzzy gray chicks. Other adults may also try to steal pebbles from nests. So the devoted parents must be always on guard.
It's a challenge for all new parents: Getting enough sleep while keeping a close eye on their newborns. For some penguins, it means thousands of mini-catnaps a.