Euphonia cayennensis
The Golden-sided Euphonia (Euphonia cayennensis) is a captivating and diminutive passerine, renowned for its striking sexual dimorphism and vibrant plumage. Males boast iridescent, glossy blue-black upperparts, contrasting sharply with a bright golden-yellow breast and belly, famously accented by rich chestnut-red flanks - the source of its evocative common name. They are relatively small and stocky, measuring approximately 11-12 cm in length and weighing around 12-16 grams, with a short tail...
This species primarily inhabits humid tropical and subtropical lowland forests, frequenting forest edges, clearings with scattered trees, secondary growth, and cultivated areas like plantations.
Their diet primarily consists of small fruits, especially mistletoe berries (Phoradendron spp.), supplemented with a smaller proportion of insects and other arthropods gleaned from vegetation.
Golden-sided Euphonias are diurnal and highly active, often observed singly, in pairs, or small family groups, sometimes joining mixed-species foraging flocks alongside other euphonias and tanagers. They are agile foragers, gleaning fruit and insects from foliage and branches, and are particularl...
The Golden-sided Euphonia is a non-migratory resident species found exclusively in the northern lowlands of South America. Its primary range encompasses French Guiana, Suriname, and Guyana, extending westward into eastern Venezuela, particularly in the states of Delta Amacuro, Monagas, and Sucre....
Least Concern
- The male Golden-sided Euphonia's striking chestnut flanks are the most distinguishing feature, making its common name perfectly descriptive. - They are highly dependent on mistletoe berries (Phoradendron spp.), often acting as important dispersers for these hemiparasitic plants. - Despite their...