Porphyrio martinicus

Purple Gallinule

Family: Rallidae · Class: Aves · Order: Gruiformes

The Purple Gallinule is a medium-sized waterbird measuring 26 to 37 cm (10.2 to 14.6 inches) in length with a wingspan of 50 to 61 cm (19.7 to 24.0 inches). Adults weigh between 141 to 305 grams (5.0 to 10.8 ounces). The species displays striking plumage with iridescent purple-blue head, neck, and underparts, contrasting with bronze-green back and wings. The bill is bright red with a yellow tip, and the frontal shield is pale blue. Legs and feet are bright yellow with exceptionally long toes adapted for walking on floating vegetation. Juveniles are brownish with white undertail coverts and lack the vibrant adult coloration. In California, Purple Gallinules are uncommon residents and migrants, occurring primarily in the Central Valley and southern coastal regions. The species breeds locally in suitable wetland habitats from the Sacramento-San Joaquin Delta south through the San Francisco Bay Area and into southern California. Historical breeding records exist for scattered locations including the Salton Sea, coastal Orange County, and Imperial Valley. Most California records occur from April through September, with peak abundance during spring and fall migration periods. Purple Gallinules inhabit freshwater wetlands with dense emergent vegetation, including cattail marshes, sedge meadows, and rice fields. The species requires areas with floating vegetation such as water lilies, water hyacinth, and lotus, which provide both foraging substrate and nesting sites. Optimal habitat includes water depths of 15 to 60 cm (6 to 24 inches) with extensive coverage of emergent and floating-leaved plants. They occasionally use brackish marshes but show strong preference for freshwater environments. The species is omnivorous, feeding on seeds, fruits, leaves, and stems of aquatic plants, along with insects, spiders, frogs, fish, and eggs of other birds. Purple Gallinules are skilled climbers, using their long toes to walk across floating vegetation and climb through marsh plants. Breeding occurs from March through August in California. Nests are platform structures built 15 to 75 cm (6 to 30 inches) above water level in dense vegetation. Females lay 3 to 8 buff-colored eggs with brown spots, incubated for 22 to 25 days. Young are precocial and can leave the nest within hours of hatching. Purple Gallinules are not federally or state-listed in California, and populations appear stable across their North American range. However, the species faces habitat loss from wetland drainage, agricultural conversion, and urban development. In California, habitat restoration efforts in the Central Valley and maintenance of water levels in managed wetlands benefit the species. Climate change may affect the timing of migration and breeding, while invasive plant species can alter marsh structure and food availability. The species' dependence on specific wetland vegetation types makes habitat quality a critical conservation consideration.

Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, and more.