AT A GLANCE
Common Name: Antioquia Brushfinch
Scientific Name: Atlapetes blancae
Category: Birds
Subcategory: Sparrows & Finches
Size: Total length: 6.7–7.1 in (17–18 cm); Wingspan: 9.0–9.8 in (23–25 cm)
Weight: 1.1–1.4 oz (30–40 g)
Lifespan: 6–9 years in high-altitude Andean scrub
Diet: Omnivore (grass seeds, melastome berries, beetles, spiders, and caterpillars)
Habitat: Montane secondary scrub, regenerating thickets, ravine hedgerows, and pasture borders
Range: Strictly endemic to a tiny plateau in Antioquia Department, Central Andes of Colombia
Conservation Status: Critically Endangered (IUCN Red List)

Overview

The Antioquia Brushfinch (Atlapetes blancae) represents one of the most miraculous rediscoveries in modern Neotropical ornithology. Long known only from three museum skins collected in the 1970s and feared extinct due to near-total habitat loss across its native plateau in northwestern Colombia, the species was dramatically rediscovered alive in the wild in 2018. Clothed in refined plumage of slate-gray, white, and a fiery rufous crown, this resilient passerine survives in tiny, fragmented patches of Andean montane scrub.

Biology and Physical Characteristics

Atlapetes blancae is an attractive, medium-sized emberizid passerine characterized by a clean, distinct facial and plumage pattern. Its crown features a brilliant, rich chestnut-rufous crest, flanked by a prominent jet-black facial mask and crisp white eyebrow (superciliary) stripe. The throat and underparts are pristine grayish-white accented with a faint dark malar stripe, while the back and folded wings display rich slate-gray to olive tones. Its bill is short, stout, and conical, engineered for cracking hard weed seeds and manipulating small invertebrate prey.

Behavior and Ecology

Antioquia brushfinches are secretive, understory-dwelling birds that forage in pairs or small family units, staying close to dense, tangled vegetation. They forage primarily on or near the ground, scratching vigorously through leaf litter beneath brambles to uncover beetles, spiders, and grass seeds. Pairs defend small linear territories along ravine hedgerows and fence-lines, vocalizing with high-pitched, metallic trills and melodious whistles at dawn. Nests are compact cups of grass and moss concealed deep inside thorny Andean shrubs.

Conservation and Human Impact

Classified as Critically Endangered by the IUCN, the global population of Atlapetes blancae is estimated at fewer than 50 mature individuals, confined to tiny patches of secondary scrub surrounded by intensive dairy cattle pastures and potato crops. Urgent conservation action by Colombian and international organizations—including the purchase of private land to create the Arrierito Antioqueño Nature Reserve and community hedgerow restoration agreements—represents the frontline effort to prevent the species’ extinction.

Interesting Factoid

The Antioquia brushfinch was officially described as a distinct species from three old museum skins in 2007, believed already extinct until an observant Colombian researcher rediscovered a living population in a tiny roadside hedge in 2018.

Last updated: October 2026