Related Topic in KAS Prelims Syllabus:
Environment [Paper-II]: Biodiversity – its importance and concerns, Forest and wildlife
- A six member team attached to Pathanamthitta Bird-watchers has spotted Anser Indicus, the Bar-headed goose in the wetlands of Karingali Puncha, near Pandalam, in Pathanamthitta district, Kerala.
- Two years ago, a few birds were observed in the Periyar Lake at Thekkady. Before that some other observations were made in the Thrissur kole fields and in Kollam.
- Large flocks used to visit the Koonthakulam bird sanctuary at Tirunelveli, Tamil Nadu. However, it is rare that the bird is spotted in Kerala.
About Bar-headed goose
- The bar-headed goose was the 336th bird species found in Pathanamthitta district.
- They are found in Central China and Mongolia and they breed there.
- They start the migration to the Indian sub-continent during the winter and stay here till the end of the season.
- They are one of the birds which can fly even at very high altitude. They come to India and return to their homes by crossing the Himalayan ranges.
- Their ability to sustain the high oxygen demands of flight in the air that is exceedingly oxygen-thin is exceptional.
- The capacity of bar-headed geese to transport and consume oxygen at high rates in hypoxia distinguishes this species from similar lowland waterfowl.