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Indian Spotted Creeper
Primary flight feather, likely a mid-outer primary (around P6-P8)

Indian Spotted Creeper

Kingdom: Animalia; Phylum: Chordata; Class: Aves; Order: Passeriformes; Family: Certhiidae; Genus: Salpornis; Species: S. spilonota

Family: Certhiidae (Treecreepers)

Shape
Asymmetrical vane with a slightly tapered, rounded tip; elongated and narrow, typical of a passerine flight feather
Size
Approximately 4.5 to 5.5 cm in length. This is consistent with the primary feathers of a small passerine weighing 14-16 grams.
Rarity
Uncommon to Rare. While widespread, it is sparsely distributed and difficult to spot due to its exceptional bark-mimicry camouflage.
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Description

A small, bark-colored bird with a long, thin, down-curved bill. Unlike typical treecreepers, it does not use its tail for support while climbing. Its plumage is intricate, covered in white spots against a dark brown background, perfectly mimicking lichen-covered bark.

Colour & Pattern

Striking dark sepia or brownish-black base with bold, pale cream or off-white spotting and streaking. The pattern consists of large, discrete teardrop-shaped spots along the inner vane and a longitudinal streak near the rachis.

Barb Structure

Pennaceous and tightly interlocked throughout the main vane; notable plumulaceous (downy) structure at the base of the calamus for insulation.

Texture & Surface

Smooth and stiff distal vane with a matte finish. The basal portion is soft and downy. The surface reflects light minimally to aid in camouflage against tree bark.

Key Features

Bold creamy-white 'spotted' pattern on a dark background; strong asymmetry; small size; specific teardrop-shaped maculations on the inner vane.

Habitat

Open deciduous forest, teak forests, and dry terminalia woodlands. It is specifically adapted to bark-climbing in sparsely wooded areas.

Geographic Range

Endemic to the Indian Subcontinent, primarily found in central and northern India. It is a non-migratory, resident species.

Ecological Role

Specialized insectivore that gleans spiders and insects from deep bark crevices. It fills a niche similar to woodpeckers but without the hammering behavior.

Similar Species

African Spotted Creeper (Salpornis salvadori) is very similar but geographically separated. Eurasian Treecreeper feathers are much smaller, paler, and lack these bold, discrete spots.

Interesting Facts

The Indian Spotted Creeper belongs to a genus that was long considered a single species spanning Africa and Asia, but genetic evidence recently split them into the Indian and African Spotted Creepers.

Condition Notes

Good condition. The barbs are mostly intact, though there is some minor separation at the trailing edge (veiling). Some grit or nest debris is visible in the basal down.