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.
Highlights
Founder & Chief Editor Dr Sanjay Molur Wildlife Information Liaison Development (WILD) Society & Zoo Outreach Organization (ZOO), 12 Thiruvannamalai Nagar, Saravanampatti, Coimbatore, Tamil Nadu 641035, India
The pair of Hawk-Owls were seen in the area at multiple times roosting in a big, old tree (Grewia tiliifolia), personal observation by the author before the incident
The studies which focussed on the vocalization of Brown Hawk-Owl in India and other Oriental regions (Neelakantan 1979; Hutchinson et al 2006; Babu & Jayson 2007; Jayson & Sivaram 2009; Rasmussen et al 2012) and the information available in the public domain such as eBird and xeno-canto did not describe
Summary
Publisher Wildlife Information Liaison Development Society www.wild.zooreach.org. No 12, Thiruvannamalai Nagar, Saravanampatti - Kalapatti Road, Saravanampatti, Coimbatore, Tamil Nadu 641035, India. Founder & Chief Editor Dr Sanjay Molur Wildlife Information Liaison Development (WILD) Society & Zoo Outreach Organization (ZOO), 12 Thiruvannamalai Nagar, Saravanampatti, Coimbatore, Tamil Nadu 641035, India. FRLHT, Bengaluru, Karnataka, India Dr Aparna Watve, Pune, Maharashtra, India Dr Qiang Liu, Xishuangbanna Tropical Botanical Garden, Yunnan, China Dr Noor Azhar Mohamed Shazili, Universiti Malaysia Terengganu, Kuala Terengganu, Malaysia Dr M.K. Vasudeva Rao, Shiv Ranjani Housing Society, Pune, Maharashtra, India Prof. A.J. Solomon Raju, Andhra University, Visakhapatnam, India Dr Mandar Datar, Agharkar Research Institute, Pune, Maharashtra, India Dr M.K. Janarthanam, Goa University, Goa, India Dr K. Harvard University Herbaria, Cambridge, MA 02138-2020, USA Dr Ritesh Kumar Choudhary, Agharkar Research Institute, Pune, Maharashtra, India Dr Navendu Page, Wildlife Institute of India, Chandrabani, Dehradun, Uttarakhand, India.
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