an order of birds. Wandering ocean species often very large, with long narrow wings. Lay one white egg, often in burrow. Petrels, Shearwaters, Albatrosses, ka toruninalised (Procellariiformes, ka Tubinares), väga suure levilaga ulgumerelindude selts; üle 100 liigi, 4 sgk-a ... Väikseimad t-d on u. varblaste suurused, suurimate (albatrosside) tiibade siru