Netta rufina, a large diving duck.

A variety of batfish, Ogcocephalus darwini, native to the Galapagos Islands and Peru, which is noted for its bright red lips and inability to swim.

plural of red-throated diver

plural of red-shanked douc

plural of big red button

A real, fictional, or figurative button that controls a function of critical importance and that is usually large and red, ensuring quick identification.

plural of red-veined darter

A Sympetrum fonscolombii dragonfly.

(chiefly US) A child of parents who belonged to a communist party (usually the United States Communist Party) or supported communist ideas and goals.

plural of red-throated loon