Yellowbird n. : The American goldfinch, or thistle bird. See Goldfinch.

Yellowbird n. : The common yellow warbler; -- called also summer yellowbird. See Illust. of Yellow warbler, under Yellow, a.

Example:
What is the title of a soft porn film in the late 1970s with a hospital orderly who called a girl Yellowbird?

Taxonomy
fishing, haddock, Fishing Charters, Yellow Bird, marathon, fish, Cruises, massachusetts, deep sea, New England, deep sea fishing, Hampton Beach, New Hampshire, ground fish, sail, the Yellow Bird, State Pier, Hampton, NH.

Defination from the web:
Yellow Bird Fishing Charters specializes in catching deep sea, Cod and Haddock in New Hampshire, Massachusetts, Maine. ... Sailing from the Hampton Beach NH State Pier daily,The Yellowbird limits passenger counts on all day deep sea trips to 30, and marathon trips to ...