Monday, February 20, 2017

Migratory birds from Chilika are leaving early because of soaring temperatures


Migratory birds had made the Chilika their winter home and have started to leave early and begin their homebound journey because of soaring temperatures. Over 50 per cent of them have already left while the rest are likely to fly off shortly. Same is observed in the Bhitarkanika National Park also.
Usually, the migratory birds arrive from Siberia, Iran, Iraq and Afghanistan in October and return by March but, this year, the return is early, about a week before their usual time of departure.
This has been reported in telegraphindia.com dated 21 February 2017.
It is estimated that around 9.47 lakh birds belonging to 176 species had arrived this year to spend the winter at the wetland spread over 1,100sqkm. - it has been designated as a Ramsar site (wetland of international importance). The corresponding figures for 2015 was more than 4.6 lakh birds of 161 species. However, in the Bhitarkanika wetland sites, there was a drop in the number of winged visitors from trans-Himalayan region.
In the opinion of ornithologists, the duration of stay of migratory birds is on the decline and this can be ttributed to early arrival of summer. Earlier, summer used to set in from mid-March.


Image courtesy wikimediacommons.org

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