Diversity and Relative Abundance of Avian Species in the Wetland Area Northwest of Lake Abaya, Southern Ethiopia

Table 2

The diversity of bird species in the study area.

Month	Species richness	H′	H max	E
January	25	0.287	3.21	0.089
February	23	0.277	3.13	0.088
March	28	0.303	3.33	0.091
May	30	0.311	3.33	0.091
June	29	0.308	3.36	0.091
July	27	0.298	3.29	0.093