Here at our Costa Rican mountain retreat, nature unfolds its wonders at every turn. From the vibrant symphony of frogs at dusk to the dazzling morpho butterflies flitting through the trees, the sights and sounds of the rainforest are a constant source of fascination. Today, we turn our gaze to a smaller resident, a bird whose reddish plumage adds a touch of fiery brilliance to the undergrowth – the Ruddy Foliage-Gleaner.
A Glimpse into the Ruddy’s World
The Ruddy Foliage-Gleaner (Clibanornis rubiginosus) is a thrush-sized songbird belonging to the ovenbird family (Furnariidae). Though widespread across Central and much of South America, sightings in Costa Rica are a delightful treat for birdwatchers.
Standing at a height of 6.7 to 8.5 inches (17-21.5 cm), the Ruddy Foliage-Gleaner is a compact bird with a rich rufous-brown plumage that extends across its upperparts and underbelly. This rusty red hue is contrasted by a distinctive dark grayish-brown crown and a ring of bare blue skin around the eye. Unlike many birds, the males and females share similar plumage, making identification a bit trickier but no less rewarding.
A Master of the Understory
Unlike its ovenbird relatives who construct elaborate mud nests, the Ruddy Foliage-Gleaner prefers the dense foliage of the rainforest understory. Here, it expertly navigates the tangled branches, hopping, flitting, and gleaning insects and invertebrates from the leaves and bark. Its sharp, pointed bill is perfectly adapted for probing into crevices and extracting hidden prey.
The Ruddy Foliage-Gleaner is an insectivore, with its diet consisting primarily of beetles, ants, spiders, and caterpillars. It plays a vital role in maintaining the delicate balance of the rainforest ecosystem by controlling insect populations.
A Song Unheard?
While the Ruddy Foliage-Gleaner may not be the most visually flamboyant bird, it does possess a vocal repertoire. Its song is described as a series of sharp, high-pitched chips and whistles, often delivered in a rapid sequence. However, due to their preference for the dense understory, their calls can be easily missed by the untrained ear.
Where to Find the Ruddy Foliage-Gleaner
The Ruddy Foliage-Gleaner is a fairly common resident in Costa Rica, with populations found throughout the country except for the drier northwestern Pacific lowlands. Here at our mountain retreat, nestled amidst the lush rainforest, you have a high chance of encountering this little rufous wonder. Keep your eyes peeled as you explore the forest trails, particularly in the lower and middle sections of the vegetation.
With a little patience and a keen eye, you might spot a Ruddy Foliage-Gleaner flitting amongst the leaves, its reddish plumage momentarily catching the dappled sunlight. The sight of this little treasure is sure to be a delightful addition to your Costa Rican birding adventure.
Tips for Spotting the Ruddy Foliage-Gleaner
- Early mornings and late afternoons: These are prime birding hours when the Ruddy Foliage-Gleaner is most active searching for food.
- Focus on the understory: Keep your gaze directed towards the lower and middle sections of the forest, where these birds spend most of their time.
- Listen for the calls: While their song can be subtle, being familiar with their high-pitched chips might help you locate them.
- Join a guided birdwatching tour: Our experienced naturalists can help you identify the Ruddy Foliage-Gleaner and many other rainforest avian gems.
So, the next time you explore the verdant depths of the Costa Rican rainforest, keep an eye out for the Ruddy Foliage-Gleaner. This little ball of rufous energy, with its industrious nature and subtle song, is a true testament to the wonders that lie hidden within the rainforest understory.
For more information, please view our comprehensive guide about the birds of Costa Rica






