What is "black water shrew"

Oared \Oared\ ([=o]rd), a.

1. Furnished with oars; -- chiefly used in composition; as, a four-oared boat.

2. (Zo["o]l.)

   1. Having feet adapted for swimming.

   2. Totipalmate; -- said of the feet of certain birds. See Illust. of Aves.

      Oared shrew (Zo["o]l.), an aquatic European shrew ( Crossopus ciliatus); -- called also black water shrew.