INTRODUCTION The Scarlet Macaw is the most widely distributed (Mexico to Brazil) of the 17 existing macaw species (Wiedenfeld 1994). Two subspecies have been identified, Ara macao cyanoptera (ranges from southern Mexico to southeast Nicaragua) and A. macao macao (ranges from extreme south of Nicaragua to Brazil and Bolivia) (Schmidt 2008). Scarlet Macaws are endangered […]

INTRODUCTION Freshwater macroinvertebrates are commonly used as biological indicators for aquatic ecosystems health, serving as indirect measure for water quality (Stark et al. 2001). Many authors argue that monitoring changes in macroinvertebrate community composition is important as they respond to water quality changes overtime and such changes are reflected in community composition and abundance (Resh […]

INTRODUCTION The Scarlet Macaw is the most widely distributed (Mexico to Brazil) of the 17 existing macaw species (Wiedenfeld 1994). Presently two subspecies have been identified being Ara macao cyanoptera (ranges from southern Mexico to southeast Nicaragua) and A. macao macao (ranges from extreme south of Nicaragua to Brazil and Bolivia) (Schmidt 2008). Scarlet Macaws […]