The bird is now a rare sight in this country.

　　如今在這個(gè)國家，這種鳥(niǎo)已罕見(jiàn)了。

　　The birds are found in over 70 different localities.

　　現已發(fā)現這種鳥(niǎo)棲息在70多個(gè)不同的地區。

　　The cat was on the wall, watching for birds.

　　那只貓在墻上伺機捕捉鳥(niǎo)兒。

　　You don't often see this bird in daytime.

　　這種鳥(niǎo)白天不常見(jiàn)。

　　Some birds which were once a common sight are now becoming rare.

　　有些曾經(jīng)隨處可見(jiàn)的鳥(niǎo)類(lèi)現在日益稀少。