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Bibliothèque Population densities and diurnal activity pattern of the Indian Roller Coracias benghalensis (Aves: Coraciiformes) in Nagapattinam District, Tamil Nadu, India

Population densities and diurnal activity pattern of the Indian Roller Coracias benghalensis (Aves: Coraciiformes) in Nagapattinam District, Tamil Nadu, India

Population densities and diurnal activity pattern of the Indian Roller Coracias benghalensis (Aves: Coraciiformes) in Nagapattinam District, Tamil Nadu, India
Population densities and diurnal activity pattern of the Indian Roller Coracias benghalensis (Aves: Coraciiformes) in Nagapattinam District, Tamil Nadu, India cover image

Resource information

Date of publication
Août 2010
Resource Language
ISBN / Resource ID
doi:10.11609/JoTT.o2308.1185-91
Pages
7
License of the resource

Population densities and diurnal activity pattern of the Indian Roller were studied in Nagapattinam District over three years in different habitats. The agricultural lands supported the highest populations (41km-2), followed by river banks (36km-2) and social forests (32km-2); populations showed yearly variations in numbers and density in all habitats. On average, birds were observed to spend most of the day scanning (57%), with the remainder divided among feeding (16%), flying, (12%), preening (10%) and resting (5%). Some variations in activity breakdown were observed between time blocks, seasons and habitats.

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Authors and Publishers

Author(s), editor(s), contributor(s)

Asokan S., Ali A.M.S., Manikannan R., Nithiyanandam G.T.

Geographical focus