Distribution: Ringtailed Lemurs in Madagascar -- The Distribution and Biogeography of the Ringtailed Lemur (Lemur catta) in Madagascar -- A Preliminary Estimate of Lemur catta Population Density Using Satellite Imagery -- Berenty Reserve: A Research Site in Southern Madagascar -- Beza Mahafaly Special Reserve: A Research Site in Southwestern Madagascar -- Ringtails and Their Forests: Feeding and Ranging -- Plant Species Fed on by Lemur catta in Gallery Forests of the Southern Domain of Madagascar -- Tamarind Recruitment and Long-Term Stability in the Gallery Forest at Berenty, Madagascar -- Home Ranges of Ringtailed Lemur Troops -- The Influence of Tamarind Tree Quality and Quantity on Lemur catta Behavior -- Feeding Competition Between Introduced Eulemur fulvus and Native Lemur catta During the Birth Season at Berenty Reserve, Southern Madagascar -- Tradition and Novelty: Lemur catta Feeding Strategy on Introduced Tree Species at Berenty Reserve -- Diet Quality and Taste Perception of Plant Secondary Metabolites by Lemur catta -- Social Behavior within and Between Troops -- Territory as Bet-hedging: Lemur catta in a Rich Forest and an Erratic Climate -- Resource Defense in Lemur catta: The Importance of Group Size -- Social Changes in a Wild Population of Ringtailed Lemurs (Lemur catta) at Berenty, Madagascar -- Obsession with Agonistic Power -- Male and Female Ringtailed Lemurs' Energetic Strategy Does Not Explain Female Dominance -- Male Sociality and Integration During the Dispersal Process in Lemur catta: A Case Study -- Health and Disease -- Patterns of Health, Disease, and Behavior Among Wild Ringtailed Lemurs, Lemur catta: Effects of Habitat and Sex -- Bald Lemur Syndrome and the Miracle Tree: Alopecia Associated with Leucaena leucocephala at Berenty Reserve, Madagascar -- Temporal Change in Tooth Size Among Ringtailed Lemurs (Lemur catta) at the Beza Mahafaly Special Reserve, Madagascar: Effects of an Environmental Fluctuation.