  {"id":246954,"date":"2026-02-06T06:59:14","date_gmt":"2026-02-06T11:59:14","guid":{"rendered":"https:\/\/remote-expeditions.com\/fauna\/orange-bellied-euphonia\/"},"modified":"2026-02-06T12:00:42","modified_gmt":"2026-02-06T17:00:42","slug":"orange-bellied-euphonia","status":"publish","type":"fauna","link":"https:\/\/remote-expeditions.com\/fr\/faune-2\/orange-bellied-euphonia\/","title":{"rendered":"Orange-bellied Euphonia"},"excerpt":{"rendered":"<p>Euphonia xanthogaster<\/p>","protected":false},"featured_media":246690,"template":"","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":""},"collection":[],"country":[11],"fauna-group":[27523],"fauna-type":[27217],"class_list":["post-246954","fauna","type-fauna","status-publish","has-post-thumbnail","hentry","country-colombia","fauna-group-finches","fauna-type-birds"],"acf":{"scientific_name":"Euphonia xanthogaster","animal_description":"The Orange-bellied Euphonia (*Euphonia xanthogaster*) is a small, vibrant songbird native to the humid forests of Central and South America, renowned for its striking sexual dimorphism and energetic canopy-dwelling lifestyle. The male is a visual marvel, featuring a glossy blue-black back and throat that contrasts sharply with a brilliant golden-yellow crown and a rich, saturated orange belly that gives the species its name. In contrast, the female wears more understated olive-green plumage with a grayish breast, providing perfect camouflage within the dense foliage. Beyond its radiant colors, this species is specialized for a diet of mistletoe berries; it possesses a unique, simplified digestive tract that allows it to process the sticky fruit efficiently while dispersing seeds throughout the forest. Often found traveling in mixed-species flocks, these birds are also exceptional vocalists, frequently incorporating the mimicked calls of other bird species into their own complex, high-pitched songs.","animal_habitat":"This species primarily inhabits the canopy and sub-canopy of humid tropical forests, including lowland rainforests, montane evergreen forests, and cloud forests. It is frequently observed along forest edges and in clearings with scattered trees, where it searches for mistletoe and other small fruits. While it prefers primary forests, it also occupies mature secondary growth and occasionally visits plantations or gardens adjacent to forested areas.\n\nIts geographical range is extensive across Central and South America, stretching from eastern Panama through the Andes and across the Amazon Basin. It is found in countries such as Colombia, Venezuela, Ecuador, Peru, Bolivia, Brazil, and Guyana. This broad distribution encompasses a wide altitudinal range, with the bird typically occurring from sea level up to approximately 2,600 meters, depending on the specific region and subspecies.","animal_behavior_and_reproduction":"These birds typically exhibit a social structure characterized by pairs or small family groups, frequently integrating into larger mixed-species foraging flocks to search for mistletoe berries and other small fruits. Their mating system is primarily monogamous, with established pairs maintaining territories through vocalizations and displays. During courtship, the male utilizes his bright plumage and melodic songs to attract a mate, often performing synchronized movements within the canopy.\n\nReproduction involves the construction of specialized dome-shaped nests with a side entrance, which are usually well-hidden among epiphytes, mosses, or thick foliage. While the female is responsible for the majority of the nest building and incubation, both parents are actively involved in provisioning the young. A unique reproductive strategy involves their diet; the parents feed their chicks a concentrated pulp of regurgitated fruit, particularly mistletoe, rather than the insect-heavy diet common among many other songbirds. This specialized feeding habit allows them to thrive in fruit-rich tropical environments.","diet":"The Orange-bellied Euphonia is primarily a frugivore with a highly specialized diet that centers heavily on mistletoe berries from the Loranthaceae and Viscaceae families. While it also consumes various small berries and occasionally supplements its intake with small insects, its physiological adaptation to mistletoe is particularly remarkable. Unlike most birds, this species has evolved a simplified digestive tract that lacks a functional gizzard, allowing it to process the sticky pulp of mistletoe berries rapidly without damaging the seeds. This unique digestive process ensures that the seeds retain their adhesive coating, known as viscin, as they pass through the bird\u2019s system in as little as ten to fifteen minutes. Consequently, when the euphonia defecates onto tree branches, the seeds readily stick to the bark, facilitating a symbiotic relationship where the bird acts as a primary dispersal agent for these parasitic plants.","colors":"The male Orange-bellied Euphonia features glossy blue-black upperparts and a bright yellow forehead, sharply contrasted by its namesake vibrant orange-yellow breast and belly. Females exhibit cryptic camouflage with olive-green plumage and grayish-white underparts, allowing them to blend into dense forest canopies. This distinct sexual dimorphism balances the male\u2019s conspicuous display with the female\u2019s need for concealment.","fun_facts":"These birds are master mimics, often weaving the calls of dozens of other species into their own songs to confuse neighbors or potential threats. They have a highly specialized diet consisting almost entirely of mistletoe berries and have evolved to lack a functional gizzard, allowing them to digest the fruit pulp and pass the sticky seeds in under ten minutes\u2014a rapid process vital for mistletoe dispersal. Additionally, they are architectural experts, building intricate, ball-shaped nests with secret side-door entrances often camouflaged within moss or hanging bromeliads.","conservation_status_&_efforts":"The species is currently classified as Least Concern on the IUCN Red List due to its extensive geographic range across Central and South America. Although its total population size has not been formally quantified, the population trend is generally considered stable, as it remains common in many parts of its habitat. However, localized declines may occur in areas experiencing high rates of environmental change, though these do not yet meet the thresholds for more threatened status.\n\nPrimary threats include habitat loss and fragmentation resulting from agricultural expansion, logging, and infrastructure development, which reduce the availability of the fruiting trees and mistletoe upon which it depends. While it is sometimes targeted by the illegal pet trade, this pressure is less severe than for other members of its genus. Conservation efforts mainly rely on the broad network of protected areas and national parks within its range, such as those in the Amazon basin and the Andean foothills. These protected regions, combined with international regulations on bird trafficking, provide essential refuges that support the continued stability of its populations.","endemic":false,"conservation_status":"Least Concern","ebird_link":{"url":"https:\/\/ebird.org\/species\/orbeup1","title":"View on Ebird","target":"_blank"},"animal_related_page":{"url":"https:\/\/animalia.bio\/orange-bellied-euphonia","title":"View on Animalia","target":"_blank"},"fauna_family":"Fringillidae","fauna_known_nicknames":"None","fauna_average_length":"10\u201311 cm \/ 3.9\u20134.3 in","fauna_average_weight":"10.5\u201316 g \/ 0.37\u20130.56 oz","fauna_wingspan":"15\u201318 cm \/ 5.9\u20137.1 in","fauna_key_physical_feature":"Bright orange-yellow underparts and forehead contrasting with dark blue-black upperparts in males","fauna_primary_diet":"Frugivore (specializing in mistletoe berries and small fruits)","fauna_geographical_range":"Central and South America, ranging from Panama through the Andes to Bolivia and the Amazon Basin","fauna_preferred_habitat":"Humid montane and lowland forests, forest edges, and canopy","fauna_social_structure":"Pairs or small family groups; frequently joins mixed-species foraging flocks","fauna_breeding_site":"Globular domed nests with a side entrance, often hidden in moss or epiphytes","fauna_conservation_status":"Least Concern (LC)","fauna_population_trend":"Stable","fauna_spanish_name":"Eufonia ventrinaranja","fauna_french_name":""},"_links":{"self":[{"href":"https:\/\/remote-expeditions.com\/fr\/wp-json\/wp\/v2\/fauna\/246954","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\/246690"}],"wp:attachment":[{"href":"https:\/\/remote-expeditions.com\/fr\/wp-json\/wp\/v2\/media?parent=246954"}],"wp:term":[{"taxonomy":"collection","embeddable":true,"href":"https:\/\/remote-expeditions.com\/fr\/wp-json\/wp\/v2\/collection?post=246954"},{"taxonomy":"country","embeddable":true,"href":"https:\/\/remote-expeditions.com\/fr\/wp-json\/wp\/v2\/country?post=246954"},{"taxonomy":"fauna-group","embeddable":true,"href":"https:\/\/remote-expeditions.com\/fr\/wp-json\/wp\/v2\/fauna-group?post=246954"},{"taxonomy":"fauna-type","embeddable":true,"href":"https:\/\/remote-expeditions.com\/fr\/wp-json\/wp\/v2\/fauna-type?post=246954"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}