Great auks could assortment up to 6.8 kg (15 lb) and .9 m (3. ft) tall. The most significant of the cormorants is the flightless cormorant of the Galapagos Islands (Phalacrocorax harrisi), at up to five kg (11 lb) and one m (3.3 ft), even though big races in the great cormorant (P.