捕食 "Predation"

今日は水鳥が魚を狙う様子を

A waterfowl is the state at which fish is aimed today.

この黒い水鳥、「オオバン」という名前のようです

They seem to be this black waterfowl and the name as "coot".

大きさは、ここは餌の魚が多いらしく、鴨くらいの大きさです

The size seems rich in fish of food here, and is the size which is about duck.

僕の街の真ん中を流れる川の浅瀬で魚を狙っていました

It's aimed at fish at a bank on the river which flows in the middle of my town.

魚を見つけたようです

Found fish!

水の中に潜りました

Dived in the water.

4,5秒水の中を潜っていた鳥が、小魚を銜えています 

The bird which was evading in the water for 4,5 seconds is holding a fry in its mouth.

近くでは５０Cm以上もある鯉が３匹悠々と泳いでいました

3 of some carp was swimming expansively more than 20 inches in the neighborhood.