To preserve body heat while being raked with blizzards that may reach 120 miles [200 km] per hour, these canny birds huddle together in large groups, each one taking its turn on the outside, with its back to the wind.
या दरम्यान आपल्या शरीरात साठवून ठेवलेल्या चरबीच्या आधारे तो जिवंत राहतो.