This sea eagle has two known sub-species and forms a species pair with the White-tailed Eagle .
The Bald Eagle is a kind of sea eagle -LRB- it is sometimes called by this name -RRB- .
The Bald Eagle is a kind of sea eagle -LRB- it is sometimes called by this name -RRB- .
この文をもっと簡単に書き直してください: This sea eagle has two known sub-species and forms a species pair with the White-tailed Eagle . 出力: