アオサギが歌舞伎役者のにらみのように大きく目を開いて獲物を飲み込んでおります。
The blue heron is opening his eyes wide like a Kabuki actor's glare and swallowing the food.
ちなみに歌舞伎役者が大きく目を開いて観客席の方を見ることを日本語で「にらみ」と言います。
By the way, Kabuki actors open their eyes wide and stare at the direction of the audience seats, which is called "Nirami" in Japanese.
