- Wayanad Laughingthrush
 - Wayanad Laughingthrush
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Wayanad Laughingthrush Pterorhinus delesserti Scientific name definitions

Nigel Collar and Craig Robson
Version: 1.1 — Published August 18, 2021

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Field Identification

23–26 cm; 78 g. Crown and rear superciliary area to mantle are dark slaty grey, scapulars, back  , upperwing-coverts and tertials dull chestnut-brown, shading to rich rufous on uppertail-coverts; tail brownish-black, primaries with dull pale olive-grey fringes; face (lores, supercilium to above eye, cheek and ear-coverts) slightly glossy blackish; chin, submoustachial area and throat white, shading to pale grey on breast  , to dull orange-rufous on mid-belly and to rich rufous on lower flanks, thighs and vent; iris red to maroon-brown; upper mandible dark brown or blackish-brown, lower mandible whitish-flesh to yellowish-flesh; legs pinkish-flesh. Differs from very similar G. gularis in having pale lower mandible, darker grey crown and nape, darker brown upperparts and wings, darker and uniform tail (darker than back), paler and less contrasting mask, sparsely feathered straw-coloured or buff-coloured interramal region and patch at base of lower mandible, white (not yellow) chin to upper belly, and more chestnut lower flanks and belly. Sexes similar. Juvenile is duller on crown than adult, more chestnut above, warmer on breast, iris pinkish-buff, orbital skin paler yellow, legs duskier.

Systematics History

In the past commonly considered conspecific with G. gularis. Monotypic.

Subspecies

Monotypic.

Distribution

SW India from Goa and NW Karnataka (Belgaum) S to Kerala and W Tamil Nadu.

Habitat

Broadleaf evergreen and semi-evergreen forest (including Strobilanthes), thorny cane-brakes and black cardamom (Amomum subulatum) sholas; at 155–1220 m, mostly 455–760 m.

Movement

Resident.

Diet and Foraging

Mostly insects, also berries and seeds. Found in flocks of 6–15 and sometimes up to 40–50 individuals. Forages mostly on ground ; occasionally ascends into small understorey trees. Quite skulking.

Sounds and Vocal Behavior

Songs include loud, strident, musical, falling, “tsééúrp (repeated irregularly in chorus with other notes), coarser, more clanging “jhur-jhur-jhéér-jhéér-jhéér-jhéer-jhéer” (note number variable), and slower, more piping “jhéer-jhéér-jhéér”. Song described also as penetrating nasal whistled phrase of 2–4 descending notes, “tree-tree-true”, and flocks heard to give particularly frenzied, discordant series of screeches, squeals and cracked rattles. Calls include metallic, rasping churr and other less distinct low conversational notes.

Breeding

Dec–Sept. Probably co-operative breeder. Nest described as smallish cup and as rather bulky, almost semi-domed cup, made of grass, leaves, weed stems, twigs, creepers and roots, lined with roots, placed within 2 m of ground in bush, tangle of creepers and briars (Rosa) or understorey vegetation (including Strobilanthes). Clutch 2–4 eggs, usually 2–3, white. No other information.
Not globally threatened. Restricted-range species: present in Western Ghats EBA. Uncommon to common throughout range; present in Mudumalai National Park, in Tamil Nadu. In surveys in 1973–1997 found in 15 areas, including five protected areas, namely Sultan’s Battery, Silent Valley, Periyar East, Periyar West and Tenmalai.
Distribution of the Wayanad Laughingthrush - Range Map
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Distribution of the Wayanad Laughingthrush
Wayanad Laughingthrush, Abundance map
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Data provided by eBird

Wayanad Laughingthrush

Pterorhinus delesserti

Abundance

Relative abundance is depicted for each season along a color gradient from a light color indicating lower relative abundance to a dark color indicating a higher relative abundance. Relative abundance is the estimated average count of individuals detected by an eBirder during a 1 hour, 1 kilometer traveling checklist at the optimal time of day for each species.   Learn more about this data

Relative abundance
Year-round
0.01
0.06
0.38

Recommended Citation

Collar, N. and C. Robson (2021). Wayanad Laughingthrush (Pterorhinus delesserti), version 1.1. In Birds of the World (J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie, and E. de Juana, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.wynlau1.01.1
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