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

Table 3

Margalef’s richness index as a function of mean SE.

Month	Total number of species	Mean ± SE
January	25	23.75 ± 3.5
February	23	22.75 ± 3.38
March	28	25.25 ± 4.27
May	30	26.25 ± 7.04
June	29	25.75 ± 5.82
July	27	24.75 ± 9.29