The Anzali Wetland supports a wide variety of breeding, passage and wintering birds. 187 bird species has been recorded in the wetland until 2012. For example, the wetlands support a variety breeding colony of Whiskered Tern (Chlydonias hybridus), colonies of six species of Herons (Ardeidae), and a resident population of Pygmy Cormorant (Microcarbo pygmaeus), Purple Swamphen (Porphyrio prophyrio). Resently a few White-tailed Eagles (Haliaeetus albicilla) breed on the tree around the wetland. The wetland also supports huge wintering concentrations of 80,000 birds on average such as ducks, geese, swans and coots. The number of Dalmatian Pelican (pelecanus crispus) wintering in the Anzali Wetland has tended to increase. More than 1,200 individuals of Dalmatian Pelican were counted in 2009.