Abstract
We provide a list of bird species from our primary surveys and secondary data for an island (Ilha Grande) in southeastern Brazil. The information derives mainly from primary data collected since 1995, particularly in the oceanic side of the island. The methodologies included capture-mark-recapture studies using mist nets, transects (visual and vocal records) and supplementary observations. Our total species list from primary data is 175 species (127 captured) and 47 species were added from secondary data. This represents 222 species from 58 families. Of this total, 44 are endemic to Atlantic forest and nine are threatened with extinction. Our results are discussed comparing our study area with another large island included in the Serra do Mar corridor (Ilha de São Sebastião), and also a nearby continental area (Paraty). The results indicate the importance of Ilha Grande as a reservoir of bird species of Atlantic forest.
Highlights
The Atlantic forest is a top global priority for conservation (Myers et al 2000)
A total of 175 bird species were encountered at Ilha Grande during the primary surveys
An additional 47 species were obtained from secondary data from other authors (Maciel et al 1984; Maciel and Pacheco 1995; Coelho et al 1991; Pacheco et al 1997; Buzzetti 2000; Raposo et al unpublished data; Maciel unpublished data), including data from other locations at Ilha Grande besides the ones we sampled (Table 1)
Summary
The Atlantic forest is a top global priority for conservation (Myers et al 2000). some habitats of the Atlantic forest are poorly known, such as the montane coastal forests of Ilha Grande, state of Rio de Janeiro, which holds several endemics of this bioma, including endangered species (Alves et al 2000a; Alves 2001). Ilha Grande is part of one of the largest continous remnants of the Atlantic forest in the state of Rio de Janeiro, there are few publications on its bird fauna. We provide a list of species found during our primary surveys of the forests of Ilha Grande, around Vila Dois Rios, the oceanic part of the island, as well as secondary data. The vegetation of Ilha Grande is represented by the Atlantic forest formation “Floresta Ombrófila Densa” and areas of restinga and mangroves, in the oceanic side (Alho et al 2002; Rocha et al 2003). Were set in areas of least disturbed forest, mainly near the university research station [Centro de Estudos Ambientais e Desenvolvimento Sustentável - CEADS/UERJ - at Vila Dois Rios (Figure 1)]. The list of birds presented in this paper (Table 1) includes information on the birds of Ilha Grande from other researchers (Maciel et al 1984; Coelho et al 1991; Maciel and Pacheco 1995; Pacheco et al 1997; Buzzetti 2000; Raposo et al unpublished data; Maciel unpublished data), following taxonomy from CBRO (2008)
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