AT A GLANCE
- Common Name: Amazonian Umbrellabird
- Scientific Name: Cephalopterus ornatus
- Category: Birds
- Subcategory: Passerines
- Range: Amazon Basin of South America, across Brazil, Colombia, Ecuador, Peru, Bolivia, and southern Venezuela
- Habitat Type: Primary lowland tropical rainforests, seasonally flooded várzea forests, river islands, and terra firme forest canopy below 500 meters elevation
- IUCN Red List Status: Least Concern
- Lifespan: 10 to 15 years
- Diet: Frugivorous/Omnivorous (large tropical forest fruits, palm nuts, berries, supplemented by large cicadas, katydids, spiders, and small tree frogs)
- Average Size/Weight: Length 45 to 51 cm; weight 450 to 570 g (one of the largest passerine birds in the Americas)
- Key Defining Feature: Massive, jet-black cotinga featuring a colossal, umbrella-like crest of curved forward-arching crest feathers and a long, pendulous feathered throat wattle that inflates during courtship displays
Overview
The Amazonian Umbrellabird (Cephalopterus ornatus) is a magnificent, bizarre, and colossal passerine bird in the cotinga family Cotingidae. Endemic to the vast lowland rainforests of the Amazon Basin, it is celebrated as the largest suboscine passerine bird in South America. Crowning its head is an astonishing, parasol-like crest of soft black feathers that arches dramatically forward over its bill, while a long, feathered throat wattle hangs like a pendulous necktie from its chest, creating an unmistakable, prehistoric silhouette in the jungle canopy.
Biology and Physical Characteristics
Cephalopterus ornatus possesses a heavy, crow-sized body with broad rounded wings and a short, squared tail. Its plumage is uniformly velvety black with subtle blue-violet iridescence on the crest and wings. Males are dramatically larger and more adorned than females: on the crown, an enormous crest of curved, stiff-shafted feathers sweeps forward like an open parasol, completely shielding the forehead and bill from above. Hanging from the throat is a feathered, cylindrical wattle up to 15 cm long, which connects to an internal, inflatable throat sac that amplifies deep vocalizations. Females possess a much smaller crest and a rudimentary throat wattle.
Behavior and Ecology
Amazonian Umbrellabirds inhabit the highest layers of the canopy, hopping along thick branches to pluck large drupes and palms, which they swallow whole before regurgitating the seeds, playing an essential ecological role as major seed dispersers. During the breeding season, males congregate at communal display grounds (leks) high in the canopy along river edges. Here, each male performs a mesmerizing courtship routine: he leans forward, flares his umbrella crest until it covers his eyes and bill, inflates his neck sac into a bright red balloon that pushes his feathered wattle forward, and unleashes a deep, resonant, booming foghorn-like vocalization that reverberates for miles through the rainforest.
Conservation and Human Impact
The Amazonian Umbrellabird is classified as Least Concern on the IUCN Red List due to its immense geographic range across intact Amazonian forests. However, wild populations are experiencing gradual localized declines from Amazonian deforestation, highway construction, dam impoundments in riverine várzea habitats, and opportunistic subsistence hunting.
Interesting Factoid
The male Amazonian Umbrellabird can inflate its throat into a massive red balloon that makes its feathered neck wattle dance while producing a deep, booming hum that sounds like a ship’s foghorn.