Bird Brains and Sleep A Toronto Star report notes that scientists have long understood that birds can take regular peeks with one eye during periods of sleep, which serves to protect them from predators.
भिकाऱ्‍यांचे सोंग घेणाऱ्‍या या लोकांनी दगडमार केला, काठ्या आणि कुबड्यांनी गाडी चालवणाऱ्‍याला धमकावले.