noun
wandering bird
Ornithological term for a bird that moves nomadically in search of food rather than following a fixed migration route. Contrasts with 渡り鳥 (migratory bird) and 留鳥 (resident bird).
漂鳥は、餌を求めて不規則に移動する鳥のことです。
A wandering bird is a bird that moves irregularly in search of food.