The researchers also looked at a structure called the lagena.

研究人员还观察了一种叫做结构。

The longer the lagena, the better hearing an animal has.

越长，动物力就越好。

Shuvuuia also has a very long lagena, almost the same in relative size to a barn owl's.

鸟面龙也很长，其相对大小几鸮一样。

The lagena is a curved sack that sits in an area of bones around the brain.

是一个弯曲囊状物，位于大脑周围骨骼区。

The barn owl can hunt even in total darkness and has the longest lagena of any living bird, relative to its size.

鸮即使在完全黑暗环境中也能捕食，就其体型而言，鸮是所有现存鸟类中最长。