- KTWR is a single wildlife reserve among its category in Nepal.
- It is the first wetland listed in RAMSAR Sites for Nepal.
- It is the prime habitat for Wild water buffalo.
- It plays vital role as a biological storage of gene pool of Wild water buffalo.
- It is heavenly places for bird watching, studying and monitoring.
- It is a hotspot for tourism promotion in eastern Nepal.
- It is eastern distribution limit to Dolphin.
- It harbors no big carnivores except common leopard, Panthera pardus.
- It creates wildlife corridor connectivity across eastern Indian cross-border.