Fine-barred Piculet
Picumnus subtilis
Small, pale piculet. Light tan below, olive-brown above, with a black-and-white speckled crown; males have a red crown patch. Found in secondary forest, usually where there is dense understory, often bamboo, with emergent trees. Listen for its distinctive song, a descending series of 5-8 very high pitched notes (more notes than any other piculet in its range).
Identification
The fine-barred piculet is about 10 cm (3.9 in) long and weighs about 10 to 11 g (0.35 to 0.39 oz). Adult males have a black crown and nape with wide reddish orange tips on the feathers of the forecrown and white spots on the rest. Their face is mostly light brown with some gray and whitish vermiculation. Their upperparts are yellowish olive with olive inclusions that give a faintly barred appearance. Their flight feathers are dusky brown with olive yellow edges on the secondaries. Their tail is black; the innermost pair of feathers have white inner webs. Their chin and throat are dull white. Their underparts are gray with straw yellow tips and bars. Their iris is brown, the beak black with a blue-gray base to the mandible, and the legs olive with a green tinge. Adult females are identical but with white spots on the whole crown and no red. Juveniles have a brownish black to sooty black crown with wide off-white to buff streaks, and their upperparts are more heavily barred than adults'.
Taxonomy
The fine-barred piculet is monotypic. Some authors consider it and the plain-breasted piculet (P. castelnau) to be sister species and they might hybridize.
- Scientific name
- Picumnus subtilis
- Authority
- Stager, 1968
- Order
- Piciformes
- Family
- Picidae
- Genus
- Picumnus
Range and habitat
The fine-barred piculet was long thought to be endemic to southeastern Peru but since about 2009 is also known from Acre state in far western Brazil though there appears to be a gap between the areas. In Peru it is best known along the upper Ucayali River; the Brazilian records are along the Purus River. Both are tributaries of the Amazon. In Peru it mostly occurs in primary forest along rivers but also in nearby secondary forest. In Brazil it occurs at the edges of terra firme forest in areas heavy with Guadua bamboo. In elevation it reaches as high as 1,100 m (3,600 ft).
- Migration
- Resident species
Behavior
The fine-barred piculet forages on slender branches, stems, and vines, usually from the forest mid-storey to the canopy. It is typically seen singly or in pairs as part of mixed species foraging flocks. Its diet has not been detailed but is assumed to be insects.<p>The fine-barred piculet's breeding season appears to include June and July and might extend to December. Nothing else is known about its breeding biology.<p>The fine-barred piculet's song is "a descending series of sharp, high notes (generally about 7): SEE see see see see see see." It makes soft tapping sounds while foraging.
Conservation
- Population trend
- stable
Photos
Distribution
Bird Calls
Other Birds
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