Indian Cormorant on the bank of west Jorpukhuri lake , Uzanbazar locality, Guwahati city, Assam.
It dives into water to catch fish which is its staple food. It is resting and drying on the lake wall after busy session under water. Due to its black colour, physical resemblance to the Crow, Assamese people call it Paani Kaauri or the Water Crow. Original public domain image from Wikimedia Commons