Marine ecosystems are naturally rich habitats. Seabirds are part of these environments and their distribution and abundance can be influenced by human activity on the coast, as well as intrinsic factors of each species.
The objective of this study was to assess the abundance of seabirds in Ilha Comprida, São Paulo. Eight points were chosen and, for one hour, data on the number and species of seabirds were gathered. Studies in this area are scarce, despite the ecological importance of...