Overview
James’s Flamingo (Phoenicoparrus jamesi), also known as the puna flamingo, is an ethereal, cold-adapted wading bird confined strictly to the high-elevation Andean altiplano of South America. Once thought to have vanished into extinction in the early 20th century before being dramatically rediscovered in 1957 at remote Laguna Colorada in Bolivia, this delicate flamingo thrives in one of the most hostile environments on Earth: freezing, wind-swept, hypersaline volcanic lagoons situated over 13,000 feet above sea level.
Biology and Physical Characteristics
The smallest of the South American flamingo species, Phoenicoparrus jamesi is distinguished by its pale porcelain-pink plumage accented by vivid carmine-red streaks radiating across its neck and back, and bold crimson scapular plumes draping over black flight feathers. Its bill exhibits a singular coloration: bright sulfur-yellow at the base with a sharply delineated black tip, lacking any orange tones. Crucially, its bill apparatus features an extraordinarily dense micro-lamellar filter containing up to twice as many microscopic straining plates per centimeter as other flamingos, engineered specifically to harvest microscopic single-celled diatoms (such as Staurosira and Navicula) from alkaline brine sediments.
Behavior and Ecology
Living at extreme altitudes where night temperatures routinely plunge to minus 20 degrees Fahrenheit (-29°C), James’s flamingos display remarkable cold tolerance, regularly wading in supercooled hypersaline shallows whose freezing point is depressed by dissolved mineral borates and sulfates. They feed by sweeping their specialized bills upside-down in shallow lake waters, pumping water with an enlarged muscular tongue to trap microscopic diatoms. Highly gregarious, thousands congregate on secluded volcanic islands to build cone-shaped mud nesting mounds, synchronizing their communal courtship dances with coordinated head-flagging and wing-salutes.
Conservation and Human Impact
Evaluated as Near Threatened by the IUCN, Phoenicoparrus jamesi numbers roughly 100,000 individuals confined to fragile altiplano wetland basins. Major emerging ecological threats stem from industrial lithium extraction and borax mining across the Andean salt flats (salars), which consume massive volumes of groundwater and risk draining vital brine lagoons. In addition, climate change-induced glacier retreat and prolonged Andean droughts dry up breeding lagunas, concentrating environmental pollutants. Collaborative international wetland protection frameworks between Bolivia, Chile, and Argentina are essential to safeguarding its fragile habitats.
Interesting Factoid
James’s flamingo was completely written off as extinct for over thirty years until an expedition in 1957 trekked into an uncharted, boiling geothermal volcanic lagoon high in the Bolivian Andes and found thousands of them alive and well!
Last updated: October 2026