The Purple Gallinule is a colorful and distinctive bird species that belongs to the family Rallidae. It is a medium-sized bird, measuring about 10-15 inches in length and weighing between 4-7 ounces. The species is widely distributed in the southern United States, Central and South America, and the Caribbean islands.

One of the distinguishing field marks of the Purple Gallinule is its vibrant plumage. The bird has a bright purple-blue head, neck, and underparts, with a green back and wings, and a red bill and frontal shield. The species also has long, thin legs that are bright yellow, and large, webbed feet that help it walk on floating vegetation.

The Purple Gallinule is primarily a resident bird and can be found in its range throughout the year. However, some populations may migrate to avoid extreme weather conditions. In the United States, the species is known to breed in the southeastern states, with some individuals moving northwards during the summer months.

In addition to its distinctive appearance, the Purple Gallinule is known for its unique vocalizations. The species makes a range of sounds, including clucking, whistling, and hooting calls. These sounds are used for communication, particularly during courtship and territorial displays.

Overall, the Purple Gallinule is a striking and fascinating bird species that can be easily identified by its distinctive plumage, long legs, and webbed feet. The bird is primarily a resident species, but some populations may migrate depending on the weather conditions in their range. Its unique vocalizations also make it a popular species among birdwatchers and nature enthusiasts.