Apolinar's Wren
Cistothorus apolinari
A small buffy-brown wren with a very limited range in central Colombia. Look for a streaked back and dark barring on the wings and tail. Compared with Sedge Wren, Apolinar’s has a grayer throat and eyebrow. Found in marshes with tall cattails and sedges from around 2,000 to 3,500 m. Can be skulking and difficult to see, but occasionally perches up to sing. Listen for strange harsh chirring song.
Identification
Apolinar's wren is 12 cm (4.7 in) long. A male C. a. hernandezi weighed 17.7 g (0.62 oz). Nominate adults have a chestnut crown, blackish brown shoulders and upper back with whitish buff streaks, and bright reddish brown lower back and rump. Their tails are reddish with blackish brown barring. They have a faint supercilium that is a bit lighter than the rest of the gray-brown face. Their underparts are buff-brown that is lighter on the throat and more reddish on the lower flanks. The juvenile's head is dark gray-brown with no supercilium, a buff nape, and less streaking on the back than the adult.<p>C. a. hernandezi is much more whitish on its underparts than the nominate, rather than buffy. It wings are longer, its tail shorter, and its bill both heavier and longer.
Taxonomy
Apolinar's wren has two subspecies, the nominate Cistothorus apolinari apolinari and C. a. hernandezi. The latter was described in 2002 and has been suggested to be a separate species. Apolinar's wren, grass wren (C. platensis), and Mérida wren (C. meridae) form a superspecies.<p>The common and scientific names of Apolinar's wren commemorate the Colombian monk Brother Apolinar Maria (1877–1949) who was also an ornithologist. Its Spanish common name is cucarachero de pantano (literally, swamp cockroach hunter).
- Scientific name
- Cistothorus apolinari
- Authority
- Chapman, 1914
- Order
- Passeriformes
- Family
- Troglodytidae
- Genus
- Cistothorus
Range and habitat
The nominate Apolinar's wren is found in the Andes of Colombia's Cundinamarca and Boyacá Departments. It inhabits marshes and lake-edge vegetation, especially those with Typha cattails and Scirpus bullrushes. In elevation it is generally found between 2,500 and 3,000 m (8,200 and 9,800 ft) though it also occurs at one site with an elevation of 3,015 m (9,892 ft).<p>C. a. hernandezi is restricted to the Sumapaz Massif, south of Bogotá in Cundinamarca. It inhabits very different terrain, boggy páramo at elevations between 3,800 and 3,900 m (12,500 and 12,800 ft). It favors páramo with the shrubs Diplostephium revolutum or Espeletia grandiflora and requires Chusquea tessellata dwarf bamboo for nesting.
- Migration
- Resident species
Behavior
Migration pattern: Resident species.
Conservation
Population trend: declining.
- Population trend
- declining
Photos
Distribution
Bird Calls
Other Birds
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