{"id":254197,"date":"2026-02-22T16:23:40","date_gmt":"2026-02-22T21:23:40","guid":{"rendered":"https:\/\/remote-expeditions.com\/fauna\/black-bellied-whistling-duck\/"},"modified":"2026-03-27T07:31:20","modified_gmt":"2026-03-27T12:31:20","slug":"black-bellied-whistling-duck","status":"publish","type":"fauna","link":"https:\/\/remote-expeditions.com\/fr\/faune-2\/black-bellied-whistling-duck\/","title":{"rendered":"Black-bellied Whistling Duck"},"excerpt":{"rendered":"<p>Dendrocygna autumnalis<\/p>","protected":false},"featured_media":264300,"template":"","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":""},"collection":[],"country":[59,11],"fauna-group":[27735],"fauna-type":[27217],"class_list":["post-254197","fauna","type-fauna","status-publish","has-post-thumbnail","hentry","country-brazil","country-colombia","fauna-group-ducks","fauna-type-birds"],"acf":{"scientific_name":"Dendrocygna autumnalis","animal_description":"The Black-bellied Whistling Duck (*Dendrocygna autumnalis*) is a striking and charismatic waterfowl easily identified by its vibrant red bill, long pink legs, and namesake jet-black underbelly. Unlike most ducks, this species possesses a uniquely long-legged, goose-like silhouette and is frequently seen perching high in trees, a behavior that earns it a place among the \"tree ducks.\" Its chestnut-brown plumage is accented by a bold white wing patch that flashes brilliantly during flight, typically accompanied by a signature high-pitched, musical whistling call that rings out across its wetland habitats. Highly social and often found in large, noisy flocks, these ducks are also notable for their strong pair bonds and their preference for nesting in tree cavities, making them as much at home in the canopy as they are at the water\u2019s edge.","animal_habitat":"This species primarily inhabits shallow freshwater environments such as marshes, ponds, lagoons, and flooded agricultural lands like rice fields. Unlike many other waterfowl, these birds frequently perch in trees and favor open landscapes with scattered timber located near water. They are cavity nesters that typically utilize hollow trees or man-made nest boxes, though they occasionally nest in dense vegetation on the ground.\r\n\r\nThe geographical range extends from the southern United States, specifically across the Gulf Coast, Texas, and Florida, southward through Mexico and Central America. In South America, they are widely distributed throughout the tropical and subtropical lowlands east of the Andes, reaching as far south as northern Argentina. Notably, their population has been expanding northward into more temperate regions of North America in recent years.","animal_behavior_and_reproduction":"Highly gregarious and vocal, these birds form strong, long-term monogamous pair bonds where both sexes share responsibilities for incubation and brood-rearing. They are primarily nocturnal, gathering in large flocks to forage in fields or shallow water at night and roosting in trees during the day. Their social structure is maintained through constant communication using distinctive whistling calls, which help keep the flock together during flight and while feeding.\r\n\r\nBreeding typically takes place in tree cavities or nest boxes, though they may occasionally nest on the ground. A unique characteristic of their nesting behavior is the absence of down lining, a trait that distinguishes them from most other waterfowl. They also frequently engage in brood parasitism, a strategy where females \"dump\" eggs into the nests of other individuals. The precocial young jump from the nest shortly after hatching to follow their parents, who both provide vigilant protection until the fledglings reach independence.","diet":"The Black-bellied Whistling Duck maintains a primarily herbivorous diet, focusing heavily on seeds, grains, and aquatic vegetation. These birds are notably opportunistic, frequently visiting agricultural fields to consume crops like corn, rice, and sorghum, a habit that has earned them the nickname \"corn duck\" in various regions. Unlike many other waterfowl, they are highly terrestrial feeders and often graze in large groups on land or in shallow, flooded fields, typically during the night or at twilight to avoid predators. While their intake consists mostly of plant matter such as smartweed and grasses, they also occasionally supplement their nutrition with small invertebrates, including snails, spiders, and insects found in moist soil. An interesting aspect of their foraging behavior is their ability to adapt to human-altered landscapes, where they have become adept at exploiting grain spills and specialized bird feeders to sustain their populations.","colors":"The Black-bellied Whistling Duck is characterized by a rich chestnut-brown breast and back that contrasts sharply with its namesake black belly and tail. It features a striking coral-pink bill, pink legs, and a pale grey face accented by a bold white eye-ring. While its earthy tones provide camouflage in wooded wetlands, it displays a dramatic broad white wing patch that is highly visible during flight.","fun_facts":"Unlike most ducks, these birds communicate through high-pitched, musical whistles rather than quacks, often sounding like squeaky toys as they fly. They are unique for their tree-dwelling habits, frequently perching on high branches or fence posts using their unusually long, pink legs. These ducks are exceptionally devoted partners that typically mate for life, and their day-old ducklings are remarkably resilient, leaping from nesting cavities as high as 30 feet to the ground below, bouncing unharmed before following their parents to water. They are also primarily nocturnal feeders, spending their nights grazing in fields like miniature geese.","conservation_status_&_efforts":"The Black-bellied Whistling Duck is currently classified as Least Concern by the IUCN, with a population that is steadily increasing and expanding its geographic range northward. Despite this positive trend, the species faces ongoing threats from wetland loss, habitat fragmentation, and lead poisoning from ingested pellets in hunting areas. In some regions, they also encounter pressure from illegal poaching or are treated as agricultural pests due to their tendency to forage in grain fields.\r\n\r\nConservation measures primarily revolve around habitat protection and the restoration of key wetland and riparian zones. The extensive use of artificial nest boxes has proven highly effective in supporting breeding populations where natural tree cavities are limited. Additionally, the species is managed through international legal frameworks, such as the Migratory Bird Treaty Act, which regulates hunting practices to ensure sustainable population levels across North and South America.","endemic":false,"conservation_status":"Least Concern","ebird_link":{"title":"View on Ebird","url":"https:\/\/ebird.org\/species\/bbwduc","target":"_blank"},"animal_related_page":{"title":"View on Animalia","url":"https:\/\/animalia.bio\/black-bellied-whistling-duck","target":"_blank"},"fauna_family":"Anatidae","fauna_known_nicknames":"Red-billed Whistling-Duck, Cornfield Duck, Pijije","fauna_average_length":"47\u201356 cm \/ 19\u201322 in","fauna_average_weight":"650\u20131,020 g \/ 1.4\u20132.3 lb","fauna_wingspan":"76\u201394 cm \/ 30\u201337 in","fauna_key_physical_feature":"Long red bill, pink legs, and a distinct black belly contrasting with a chestnut-brown breast","fauna_primary_diet":"Herbivore (Primarily granivorous; seeds, grains, and aquatic plants)","fauna_geographical_range":"Southern United States (Texas, Arizona, Florida) through Mexico and Central America to Northern Argentina","fauna_preferred_habitat":"Shallow freshwater ponds, marshes, lagoons, and agricultural fields","fauna_social_structure":"Highly Social; Gregarious in large flocks","fauna_breeding_site":"Tree cavities or hollows, occasionally nesting on the ground","fauna_conservation_status":"Least Concern (LC)","fauna_population_trend":"Increasing","fauna_spanish_name":"Suirir\u00ed piquirrojo","fauna_french_name":""},"_links":{"self":[{"href":"https:\/\/remote-expeditions.com\/fr\/wp-json\/wp\/v2\/fauna\/254197","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/remote-expeditions.com\/fr\/wp-json\/wp\/v2\/fauna"}],"about":[{"href":"https:\/\/remote-expeditions.com\/fr\/wp-json\/wp\/v2\/types\/fauna"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/remote-expeditions.com\/fr\/wp-json\/wp\/v2\/media\/264300"}],"wp:attachment":[{"href":"https:\/\/remote-expeditions.com\/fr\/wp-json\/wp\/v2\/media?parent=254197"}],"wp:term":[{"taxonomy":"collection","embeddable":true,"href":"https:\/\/remote-expeditions.com\/fr\/wp-json\/wp\/v2\/collection?post=254197"},{"taxonomy":"country","embeddable":true,"href":"https:\/\/remote-expeditions.com\/fr\/wp-json\/wp\/v2\/country?post=254197"},{"taxonomy":"fauna-group","embeddable":true,"href":"https:\/\/remote-expeditions.com\/fr\/wp-json\/wp\/v2\/fauna-group?post=254197"},{"taxonomy":"fauna-type","embeddable":true,"href":"https:\/\/remote-expeditions.com\/fr\/wp-json\/wp\/v2\/fauna-type?post=254197"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}