The book is divided in two parts. The first part consists of a comprehensive review of the literature data, the status, the numbers, the breeding and the seasonal dynamics of 149 waterbird species, which are established in the Bourgas Lakes during the monitoring. The abundant information for each species is presented in text, tables, graphs and maps.
In the second part a thorough look at the four Bourgas Lakes with their specific characteristics has been made. The top ten most numerous species for each one of the lakes are presented. The changes in species composition and numbers dynamic are traced for different months, seasons, years, and the last century.