From:- BBC World News By :- Kamala Thiagarajan Editted by :- Amal Udawatta Hargila Army ( Hargila Army (Credit: Hargila Army) Once known as a bird of ill omen, India's endangered hargila has gained an army of protectors. Now it's beginning to bounce back. On a bright, sweltering January afternoon in 2007, biologist Purnima Devi Barman found herself in Dadara village, on the banks of India's mighty Brahmaputra River in the northeastern state of Assam. Despite being surrounded by tropical evergreen forests and emerald wetlands, all she could think about was the monumental destruction she was witnessing. Local villagers had just hacked away at one of the tallest, most beautiful trees she had ever known – a local species of evergreen known as a kadamba. Now, amidst the tree's fallen branches, scattered leaves, twigs and thatches of nesting material lay large birds with black and white feathers, long limbs and sharp beaks, their dead bodies splayed on the ground. Th...