This book reflects the results from six years of monthly monitoring of the waterbirds in the most important wetlands of Bulgaria - the Bourgas Lakes. The book is divided into 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 were 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 thourough look at the four Bourgas Lakes with their specific characteristics has been made and 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.