Reporting of partial leucism in Argya malcolmi (Passeriformes: Leiothrichidae) from Haryana, India: implications for plumage aberration studies

Anju Anju; Deepak  Rai

doi:10.30550/j.azl/2320

Autores/as

Anju Anju Department of Zoology, Kurukshetra University, Kurukshetra–136119, Haryana, India https://orcid.org/0009-0008-2863-7907
Deepak Rai Department of Zoology, Kurukshetra University, Kurukshetra–136119, Haryana, India https://orcid.org/0000-0001-8539-961X

DOI:

https://doi.org/10.30550/j.azl/2320

Palabras clave:

Aravalli, genética aviar, conservación, albinismo, apariencia anormal

Resumen

El leucismo es una aberración esporádica del plumaje causada por mutaciones genéticas que interrumpen la deposición de melanina y la migración de células pigmentarias. Para la ecología aviar y los procesos evolutivos, tiene implicaciones significativas. El presente estudio revela la primera documentación fotográfica de un charlatán gris grande parcialmente leucístico en asociación con un grupo de charlatanes de la jungla del bosque Mangar-Bani, paisaje de Aravalli, Haryana, India, durante un estudio de campo en octubre de 2023. El individuo con plumaje blanco y mancha de color crema pálido en sus plumas, mientras que los ojos, el pico y los tarsos conservaron una pigmentación distintiva, diferenciando la condición del albinismo. Según los datos de State of India’s Birds y la Lista Roja de la UICN, la especie de charlatán gris grande está clasificada como de Preocupación Menor, aunque se informa una tendencia moderada a la disminución de la población en India. Las observaciones de comportamiento significan una integración social normal y patrones de
actividad sin evidencia de exclusión social o riesgo de depredación natural. Este registro fotográfico aporta evidencia limitada, pero importante, y cada vez mayor, sobre el leucismo aviar y concuerda con hallazgos globales recientes sobre la prevalencia y las consecuencias ecológicas de las anomalías del plumaje. El estudio destaca la importancia de la documentación sistemática de campo para comprender la base genética y la importancia evolutiva de estos fenotipos raros. La presencia de aves con leucismo parcial en hábitats tan fragmentados como Mangar-Bani enfatiza la importancia de la conservación de

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