Informations about birds associated to environments subjected to marine influence are scarce in Santa Catarina State, despite its 561.4 km and approximately 300 beaches and several estuaries. Trimestral bird censuses were realized from April/2002 to May/2003 with the purpose of determining the composition and abundance of bird groupings, diversity, equitability and similarity along Santa Catarina coast. A total of 28 censuses were realized, four in each site. It was registered the occurrence of 62 species in mixed groups, where the coastal seabirds and some limnological birds were the most frequent and abundant ones.
Limnological birds; mixed groups; seabirds
