Here at our Costa Rican mountain retreat, nature unfolds in a symphony of sights and sounds. Today, we turn our gaze to a captivating songbird, the Chestnut-capped Brushfinch (Arremon brunneinucha). Though shy and elusive, this little brushfinch is a true gem for the patient birdwatcher.
A Crown of Chestnut
As its name suggests, the Chestnut-capped Brushfinch boasts a striking chestnut crown that contrasts beautifully with its olive-gray upperparts. Look closely, and you might spot a thin, tawny eyebrow adding another layer of subtle color.
Black and White Accents
The bird’s face is a study in contrasts. The cheeks are a sleek black, framing a bright white throat that creates a bold statement. This white patch extends to the center of the belly, further accentuated by a complete black band across the breast (though some populations lack this breastband).
A Forest Dweller
While you might be lucky to spot a Chestnut-capped Brushfinch in the central valley region, it’s predominantly found in the understory of humid montane forests on the eastern slopes of the Andes. These brushfinches prefer elevations ranging from 1300 to 2200 meters, thriving in the cool, damp embrace of the mountains. Dense foliage and shady canyons are their playgrounds, making them masters of camouflage.
A Ground-foraging Duo
These brushfinches are typically seen in pairs, flitting about on or near the forest floor. Their diet consists mainly of seeds and insects gleaned from the undergrowth. Their short, stout bills are perfectly adapted for extracting their meals from the forest litter.
A Song Unheard
The scientific name, Arremon, comes from the Greek words for “silent” or “without speech.” While the Chestnut-capped Brushfinch might not be a prolific singer, it does possess a soft, whistled song that can be challenging to discern amidst the richer melodies of other rainforest songbirds.
A Glimpse of Elusive Beauty
A sighting of the Chestnut-capped Brushfinch is a reward for the patient observer. Their secretive nature and preference for dense vegetation can make them difficult to spot. However, with a keen eye and a quiet approach, you might just catch a glimpse of this little ball of charm flitting through the undergrowth, its chestnut crown a beacon against the emerald tapestry of the forest.
Keep your eyes peeled, and your ears tuned, on your next adventure in the mountains of Costa Rica. The Chestnut-capped Brushfinch, a shy songbird with a touch of elegance, might just grace you with its presence.
For more information, please view our comprehensive guide about the birds of Costa Rica
