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Chetan Kumar Tak

Publications (2)

Field Evidence of Erythrism and Partial Leucism in House Sparrow (Passer domesticus) Populations of Ajmer City, Rajasthan, India

Chetan Kumar Tak, Mayank Sharma, Aayushi Meena, Divaker Yadav & Pawan Singh · Asian Journal of Research in Zoology · 2025

Background: The House Sparrow (Passer domesticus) is a widely distributed and well-studied urban passerine, adapted to a range of environments from rural farmlands to densely populated cities across the globe. Aims: The present study document and analyse the occurrence of plumage...

Open access Research Article 10.9734/ajriz/2025/v8i3203

Progressive Greying in Common Coots (Fulica atra): A New Records from Rajasthan Wetlands, India

Vivek Sharma, Chetan Kumar Tak, Gaurav Panwar, Aayushi Meena, Muskan Singh, Saba Khan & Ruby Malik · Asian Journal of Research in Zoology · 2026

Colour aberrations are well documented in many wild birds, but less synthesized for waterfowl. Leucism (partial or total) is a hereditary condition that alters the generation of pigments (eumelanin and/or phae-omelanin) in feathers due to a lack of pigment-producing cells in the...

Open access Research Article 10.9734/ajriz/2026/v9i1242