An unusual vocalization of Brown Hawk-Owl Ninox scutulata (Raffles, 1822) (Aves: Strigiformes: Strigidae) recorded from Kerala, India

Authors

  • Riju P Nair Wildlife Biology department, Kerala Forest Research Institute, Peechi, Kerala 680653, India.
  • Shine Raj Tholkudiyil Wildlife Biology department, Kerala Forest Research Institute, Peechi, Kerala 680653, India. https://orcid.org/0000-0002-8618-8766

DOI:

https://doi.org/10.11609/jott.7394.13.13.20128-20129

Keywords:

Brown hawk-owl Ninox scutulata, unusual vocalization, spectrogram, new addition

Abstract

An unusual vocalisation of Brown Hawk-Owl was recorded from Thrissur. It was distinctive continuous calls of the species heard frequently during 2315 to 2345 h. The bird was photographed; spectrogram was prepared from the call. It is a new addition to the existing recorded vocalisation of the species.­­

References

Ali, S. & S.D. Ripley (1981). Handbook of the birds of India and Pakistan together with those of Bangladesh, Nepal, Bhutan and Ceylon. Stone Curlews to Owls. 2nd Edition. Oxford University Press, Delhi, i–xvi+327pp.

Babu, S. & E.A. Jayson (2007). Habitat use and response behaviour of Brown hawkowl (Ninox scutulata) to the conspecific broadcasted calls. Abstract of 31st Annual Conference of Ethological Society of India, Bangalore, 107pp.

Grimmet, R., C. Inskipp & T. Inskipp (1998). Birds of the Indian Subcontinent. Oxford University Press, Delhi, 439pp.

Hutchinson, R., J. Eaton & P. Benstead (2006). Observations of Cinnabar Hawk Owl Ninoxios in Gunung Ambang Nature Reserve, North Sulawesi, Indonesia, with a description of a secondary vocalisation. Forktail 22: 120–121.

Jayson, E.A. & M. Sivaram (2009). Ecology and behaviour of forest owls in the Western Ghats and developing a habitat model for their conservation. KFRI Research Report No. 343. Kerala Forest Research Institute, Peechi, 179pp.

Neelakantan, K.K. (1979). The voice of the juvenile Brown Hawk-owl Ninox scutulata (Rafles). Journal of the Bombay Natural History Society 76: 363–364.

Rasmussen, P.C., D.N.S. Allen, N.J. Collar, B. Demeulemeester, R.O. Hutchinson, P.G.C. Jakosalem, R.S. Kennedy, F.R. Lambert & L.M. Paguntalan (2012). Vocal divergence and new species in the Philippine Hawk Owl Ninox philippensis complex. Forktail 28: 1–20.

Xeno-canto Foundation: shineraj, XC643715. Accessible at www.xeno-canto.org/643715

Xeno-canto Foundation: shineraj, XC660215. Accessible at www.xeno-canto.org/643715

Xeno-canto Foundation: https://www.xeno-canto.org/species/Ninox-scutulata

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Published

26-11-2021 — Updated on 26-11-2021

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Issue

Vol. 13 No. 13 (2021)

Section

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Copyright (c) 2021 Riju P. Nair, Shine Raj Tholkudiyil

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