Figure 2: here

3.1. Species diversity

The highest number (n=103) of avian species was recorded in Debremariam wetland and the lowest (n=59) was at the head of the Blue Nile River during the wet season (Table.2).
Table 2: here
During the dry season, the highest number of avian species was recorded at the head of the Blue Nile River and the lowest was at the adjacent areas of Lake Tana (Table.3).