Ilha Grande, one of the locations with the most records of bat species (Mammalia, Chiroptera) in Rio de Janeiro state: results of a long-term ecological study

Abstract

Faunal inventories provide quantitative and qualitative data for different sites and are relevant sources of information for identifying areas of high species richness and endemism. Biological collections are important in this context for increasing the precision of species identification. The objectives of this study were to update the list of bat species of Ilha Grande by analyzing specimens in zoological collections as well as records obtained in areas where no such studies had been undertaken before; to compare five different studies conducted on Ilha Grande using mist net sampling; and to compare the results of studies on Ilha Grande with sampling results from other areas in Rio de Janeiro state. The occurrence of 36 bat species was confirmed for Ilha Grande. Five studies on Ilha Grande formerly conducted by the authors were compared with 34 fauna inventories in Rio de Janeiro state. The studies on Ilha Grande had distinct objectives and sampling techniques applied to different locations in the same area. Ilha Grande is one of the regions in Rio de Janeiro state with more bat records both in terms of abundance and number of species, as well as one of the areas of highest bat capture effort.

Global review and guidelines to avoid opportunistic predation of birds and bats in mist nets

“…The prey most reported by the studies we found are species considered common and abundant, having a wide geographic distribution and, consequently, end up being the most captured species in different regions (e.g., Eurillas latirostris for Kenya and Turdus leucomelas and Carollia perspicillata for Brazil- Giraudo et al, 2008;Tchoumbou et al, 2020;Costa et al, 2021). Birds were predated mainly by primates, passerine birds, and birds of prey, while marsupials and wild and domestic cats being the main predators of bats.…”

Marantapilosissima (Marantaceae), a new species from Brazilian Atlantic Forest

“…Despite the long history of collections in this region, which began with Vellozo's botanical expeditions at the end of the 18th century (Vellozo 1829), this species had the first known records just less than three decades ago. The new species here described was found not just in the mentioned urban parks, but also in the Parque Estadual da Ilha Grande, an important insular marine protected area about 70 km from the metropolitan region and that which houses some of the best‐preserved remnants of Atlantic Forest (Costa et al 2021).…”

Novos registros para a dieta de Carollia perspicillata (Linnaeus, 1758) (Chiroptera, Phyllostomidae) e para a flora da Ilha Grande, estado do Rio de Janeiro, Brasil

“…Está localizada no litoral sul do estado do Rio de Janeiro, no município de Angra dos Reis e corresponde a um fragmento do maciço litorâneo da Serra do Mar, com uma área de 193 km² (INEA 2013) que está inserida na Baía da Ilha Grande, sendo o ponto mais próximo do continente distante a 3 km (Araújo & Oliveira 1988;Oliveira 2002). São registradas 680 espécies de Angiospermas (Callado et al 2009) e trinta e sete espécies de morcegos para a Ilha Grande, o que a caracteriza como um dos locais com maior riqueza de quirópteros no estado do Rio de Janeiro (Costa et al 2021a;b).…”