Doomdooma, July 8 -- A Red-vented Bulbul (Pycnonotus cafer), one of the most widespread bird species across Northeast India, was found dead along National Highway-37 under the Doomdooma Forest Division in Assam's Tinsukia district on Wednesday, renewing concerns over the growing threat posed by road traffic, pollution and habitat disturbance to the region's birdlife.

Expressing concern over the incident, Rajani Nayak, a college student, said the increasing volume of commercial and private vehicles on the highway has significantly worsened air pollution along the corridor.

"The incident is deeply unfortunate. Heavy vehicular movement has created a polluted environment around the highway. Birds travelling between Arunachal Pradesh and Ass...