Whistler

1. n. The whistlefish.
2. n. One who, or that which, whistles, or produces or a whistling sound.
3. n. The ring ousel.
4. n. The widgeon.
5. n. The golden-eye.
6. n. The golden plover and the gray plover.
7. n. The hoary, or northern, marmot (Arctomys pruinosus).

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.