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A Painted Stork in flight with pelicans in the background at the National Zoological Park in New Delhi. Photo: V.V. Krishnan
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Migratory egrets on a hot afternoon at the central vista in New Delhi. V.V. Krishnan
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A crane takes off from the fields along the National Highway bypass in Thiruvananthapuram. Photo: S. Gopakumar
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A Whistling tail basking in the morning sun, spreading its wings. This exotic bird comes from the high hills of Tibet to spend the winter in Guwahati zoological park. Photo: Ritu Raj Konwar
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A Common Teal at the Delhi Zoo. Photo: V.V.Krishnan
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Black-winged stilts in flight at a pond near the airport in Visakhapatnam. Found mostly in parts of South Asia, North Africa and Europe, some populations of these birds are migratory. Photo: K.R. Deepak
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Spoonbills arrive from different parts of the country to Vedanthangal Bird Sanctury. Photo: V. Ganesan
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A purple moorhen cooling off at a pond near the Indira Gandhi Zoological Park in Visakhapatnam. Several resident and migratory bird species converge here. Photo: K.R. Deepak
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Pelicans feast on fish in a pond at the Indira Gandhi zoo in New Delhi. Photo: V.V.Krishnan
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The Pallikaranai marsh attracts several migratory bird species every year, such as these pelicans. The marsh has been shrinking over the years due to garbage dumping, encroachment and pollution. Photo: Shaju John
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Silhouette of a migratory bird surfacing with a fish from the depths of the Padmatheertham pond in front of the Sree Padmanabha Swamy temple in Thiruvananthapuram. Photo: S. Gopakumar
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Migratory Pin-tailed Ducks from Siberia at the Delhi Zoological park. This species nests here in the winter. Photo: V.V.Krishnan
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A Greater Adjutant stork takes off from Deepor Beel bird sanctuary on the outskirts of Guwahati city. Photo: Ritu Raj Konwar