A fish is not a bird, how will it understand bird's happiness.

鱼不是鸟，怎会了解鸟的快乐。

youdao

A bat is not a bird in the strict sense.

从严格意义上讲，蝙蝠不是鸟。

youdao

Although I was not a bird watcher my first glimpse of the adorable puffin won me over.

尽管我不是一名观察研究野鸟的学者，但是当我第一眼看到那可爱的海鹦，就被它迷住了。

youdao

North Dakota gets its nickname, "The Flickertail State" not from some bird, but from a little squirrel.

VOA: special.2009.08.09

The hunter did not move for a moment, then he began to follow the bird.

VOA: special.2010.03.20

To hear an oriole sing May be a common thing Or only a divine It is not the bird Who sings the same unheard, As unto crowd.

VOA: special.2010.07.18

Not a fish, not a bird.

NEWYORKER: Max at Sea

"Given that bats are far more susceptible to barotrauma than birds, and that bat fatalities at wind turbines far outnumber bird fatalities at most sites, wildlife fatalities at wind turbines are now a bat issue, not a bird issue, " said Ms Baerwald.

BBC: Wind farms put pressure on bats

According to Mr Griffiths, it is "not a very adventurous bird and it's a bit of an evolutionary loser".

BBC: Brazil hunts for unique lost bird