Zanzibar red colobus (image) Wildlife Conservation Society Share Print E-Mail Caption A team of WCS scientists recently completed the first-ever range-wide population census of the Zanzibar red colobus monkey (Piliocolobus kirkii an endangered primate found only on the Zanzibar archipelago off the coast of East Africa. Credit (c)Tim R.B. Davenport Usage Restrictions One-time usage only Share Print E-Mail 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.