Beak Abnormality in Common Myna Acridotheres Tristis

Beak Abnormality in Common Myna Acridotheres Tristis

Bio Bulletin 4(1): 35-36(2018) (Published by Research Trend, Website: www.biobulletin.com) ISSN NO. (Print): 2454-7913 ISSN NO. (Online): 2454-7921 Beak Abnormality in Common myna Acridotheres tristis (Linnaeus, 1766) Devendra Dutta Pandey and Ashish Kumar Jangid Wildlife Institute of India, Dehradun (Uttarakhand), India (Corresponding author: Ashish Kumar Jangid) (Published by Research Trend, Website: www.biobulletin.com) (Received 09 February 2018; Accepted 22 March 2018) How to cite this article: Pandey, D.D. and Jangid, A.K. (2018). Beak Abnormality in Common myna Acridotheres tristis (Linnaeus, 1766). Bio Bulletin, 4(1): 35-36. INTRODUCTION The beak is an organ, preferably used for feeding, preening and fighting related activities (Olsen Myna and startling are widespread residential land 2003). The deformities affect health and birds of family Sturnidae in Indian subcontinent, environmental status of Individuals (Van hemert & except North West and North East India (Grimmett Handel 2010; Marti et al. 2008). Some other et al. 2014). Common Myna Acridotheres tristis passerines have also been reported with the beak (Linnaeus 1766) is one of sturnids. The species deformities (Craves 1994). can be identified with its yellow bill, continues upto Current article depicts an observation of beak surroundings of eyes both sides with white patch abnormality in Common Myna Acridotheres tristis on primary feathers as well as tail tip. The species in the grassland complex of Shokaliya Ajmer prefers human habitat and cultivation (Grimmett et (26.125245˚N, 74.950801˚E) on July 26, 2017 at al. 2014). 12:50 hours (Fig.1). The bird was observed at a Abnormalities in organisms are part of tea stall with feeding on thrown snacks materials development, which can be caused by in dense human habitation. The bird is having malnutrition, diseases, injuries and mutation. It can elongated curved beak with keratinized upper be rooted in any keratinized organs (Gilberston et longer maxilla and lower smaller mandible. al. 1976). Fig. 1. The abnormal beak of Common Myna Acridotheres tristis (Linnaeus, 1768). Bio Bulletin (2018), Vol. 4(1): 35-36, Pandey and Jangid 35 There is need to study the Physiological and Grimmett, R., Inskipp, C. & Inskipp, T. 2014. Birds of the Biochemical depth of causes and processes of Indian subcontinent: Digital edition. Christopher abnormalities, which can elaborate the scopes in Helm, London. Pp 528+XXVI. field of laboratory. Marti, J. M., Bellagamba, P. J. & Coria, N. R. 2008. Beak deformation in a Southern Giant Petrel REFERENCES Macronectes giganteus chick. Marine Ornithology, 36: 195–196. Craves, l. A. 1994. Passerines with deformed bills. Olsen, G. H. 2003. Oral biology and beak disorders of North American Bird Bander, 19: 14–18. birds. Veterinary Clinics of North America: Exotic Gilbertson, M., Morris, R. D. & Hunter, R. A. 1976. Animal Practice, 6: 505–521. Abnormal chicks and PCB residue levels in eggs Van Hemert, C. & Handel, C. M. 2010. Beak deformities of colonial birds on the lower Great Lakes (1971– in Northwestern Crows: evidence of a 73). Auk 93: 434–44. multispecies epizootic. Auk 127: 746–751. Bio Bulletin (2018), Vol. 4(1): 35-36, Pandey and Jangid 36.

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