Usambara Thrush (IMAGE) University of Utah Caption Usambara Thrush, a globally endangered species, that is threatened by habitat fragmentation in the Eastern Arc Mountains, Tanzania. Credit William Newmark Usage Restrictions Permission to use with attribution License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.