The Barnacle Goose is a medium-sized goose , 55-70 cm ( 22-28 in ) long , with a wingspan of 130-145 cm ( 51-57 in ) and a body mass of 1.21-2 .23 kg ( 2.7-4 .9 lb ) .
Its wingspan is 130-145 cm ( 51-57 in ) and the body mass is 1.21-2 .23 kg ( 2.7-4 .9 lb ) .