Sharpe's Wren
Cinnycerthia olivascens
A medium-sized, uniformly-colored wren found in the subtropical zone of the Andes from Colombia to northern Peru. Plain brown overall with dark barring on wings and tail. Similar to Rufous Wren, but duller brown and typically found at lower elevations. Occurs from around 1,500-2,500m. Small parties forage in the understory of cloud forest, often around bamboo thickets. Can be skulky and difficult to see well. Sometimes follows mixed-species flocks. Listen for the harsh chattering calls.
Identification
The sepia-brown wren is 16 cm (6.3 in) long; male weights average 25.9 g (0.91 oz) and female weights 23 g (0.81 oz). Both subspecies are shades of brown. The nominate adult has a grayish brown crown, reddish brown back and rump, and a chesnut tail with blackish bars. It has a variable amount of white on its face. Its chin and throat are pale grayish brown darkening to dark reddish brown on the belly and vent. C. o. bogotensis is much darker overall and has no white on the face. Immatures are like the adults but with a grayish face.
Taxonomy
The sepia-brown wren was formerly considered a subspecies of Cinnycerthia peruana, which at that time was called sepia-brown wren and is now called Peruvian wren. Sepia-brown wren, Peruvian wren, and fulvous wren (C. fulva) form a superspecies.<p>Usually "daughter" species resulting from splits do not retain the "parent's" English name. That is why the South American Classification Committee of the American Ornithological Society (SACC/AOS) and the Clements taxonomy call C. olivascens Sharpe's wren. That common name commemorates the British zoologist Richard Bowdler Sharpe.<p>The sepia-brown wren has two subspecies, the nominate Cinnicerthia olivascens olivascens and C. o. bogotensis.
- Scientific name
- Cinnycerthia olivascens
- Authority
- Sharpe, 1882
- Order
- Passeriformes
- Family
- Troglodytidae
- Genus
- Cinnycerthia
Range and habitat
The nominate sepia-brown wren is found from the Central and Western Andes of Colombia south through Ecuador into extreme northern Peru. C. o. bogotensis is restricted to the western slope of Colombia's Eastern Andes. The species inhabits the interior and edges of wet mossy forest and cloudforest. In elevation it generally ranges between 1,500 and 3,100 m (4,900 and 10,200 ft) but is found as low as 900 m (3,000 ft) on the Pacific slope in Colombia.
- Migration
- Resident species
Behavior
The sepia-brown wren forages on and near the ground in dense vegetation, often in flocks of up to 10 individuals. Its diet is invertebrates including insects and their larva, snails, and earthworms.<p>The sepia-brown wren is a cooperative breeder consisting of a breeding pair and up to five others. They build and sleep together in a roost nest. The breeding pair lays its eggs in a separate nest, a bulky ball with a down-facing tubular entrance. They are made of rootlets, moss, and bamboo leaves, and are placed in a small shrub or tree.<p>The sepia-brown wren's song is "complex and variable, a series of musical phrases with changing stress" [1]. Its call is "a soft, low 'wurt'" [2].
Conservation
- Population trend
- declining
Photos
Distribution
Bird Calls
Other Birds
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Orange-bellied and orange-billed brown thrush, endemic to the montane and foothill forests of Sulawesi and Timor. Generally above 2000 meters, but ranges lower to the mid to low 1000s in western Timor. Forages at all levels of forest, especially on the ground. Calls include low cups and loud, explosive chattering series.
Koepcke's Hermit
Phaethornis koepckeae
Large, orangish hermit from the Andean foothills. Light orange with a grayish-green back and a black mask typical of hermits. Warmer orange than similar hermits like Great-billed and White-bearded; larger and more slender-bodied than White-browed and Reddish Hermits; bolder facial pattern and slightly more curved bill than the similar Needle-billed Hermit, which replaces this species in the lowlands and does not often overlap in range.
Splendid White-eye
Zosterops luteirostris
Small. Olive-green above and banana-yellow below and on throat. Has a thin white eye-ring and a black patch on the face from the eye forward. Bill and legs orange. Found in forest, especially gullies, and older secondary growth. Song consists of loud upslurred notes. Call is a soft “pee-u.”
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