cattle egret(n = noun.animal) bubulcus ibis - small white egret widely distributed in warm regions often found around grazing animals;
is a kind of egret
is a member of bubulcus, genus bubulcus

american egret, beef cattle, cattle, cattle boat, cattle breeding, cattle cake, cattle car, cattle drive, cattle farm, cattle grid, cattle guard, cattle pen, cattle plague, cattle ranch, cattle thief, cattle trail, dairy cattle, egret, little egret, snowy egret