storm petrel

Any of several small seabirds, of the families Hydrobatidae (northern storm petrels) or Oceanitidae (southern storm petrels or Austral storm petrels), having dark plumage and a white rump.

Japanese Meaning

海上に生息する小型の海鳥の一種。ハイドロバティダエ科（北方種）やオセアニテダエ科（南方・オーストラリア種）に属し、暗い羽毛と白い尾部を特徴とする。

What is this buttons?

A lone storm petrel skimmed over the black waves as the night closed in.

Google Translation / DeepL Translation

一羽の暗色の羽毛と白い腰を持つ小さな海鳥が、夜が更けるにつれて黒い波の上を滑空した。

Details

Sense（1）

Any of several small seabirds, of the families Hydrobatidae (northern storm petrels) or Oceanitidae (southern storm petrels or Austral storm petrels), having dark plumage and a white rump.