- Kaziranga recorded 96 species of wetland birds – one of the highest for wildlife reserves in India, according to the second wetland bird count conducted.
- The survey registered a total of 19,225 birds belonging to 96 species under 80 families. The first waterfowl census in 2018 had yielded 10,412 birds covering 80 species, belonging to 31 families.
- With 6,181 individuals, the bar-headed goose led the species count, followed by the common teal at 1,557 and northern pintail at 1,359. All three belong to the family anatidae.
- The first wetland bird survey in Kaziranga, a UNESCO World Heritage Site since 1985, was conducted in 2018.