purple swamphen

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A gallinule (Porphyrio porphyrio) found in much of the Eastern Hemisphere, having bluish-purple plumage, red legs, and a red bill.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A species of the Rallidae family, Porphyrio porphyrio.