Contributions to Zoology, 82 (2) – 2013E. Johanna Rode; K. Anne-Isola Nekaris; Matthias Markolf; Susanne Schliehe-Diecks; Melanie Seiler; Ute Radespiel; Christoph Schwitzer: Social organisation of the northern giant mouse lemur Mirza zaza in Sahamalaza, north western Madagascar, inferred from nest group composition and genetic relatedness

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Conclusions and recommendations

Two to four M. zaza, including multiple mature males, shared group-exclusive nests. Since nest-sharing male dyads consisted of either related or unrelated individuals, nest groups can be regarded as social groups, suggesting M. zaza lives in dispersed cohesive multi-male/multi-female groups. We show a preference of M. zaza for large and tall sleeping trees with a high number of lianas. The animals used few sleeping trees, which may indicate scarcity of suitable trees within the respective home ranges. We recommend the protection of forest fragments with large and tall trees and discourage selective logging. We particularly recommend that trees suitable for use as sleeping sites by species such as M. zaza, such as those with a minimum DBH of 30 cm and a minimum height of approximately 16 m, be considered in any habitat suitability assessment.