Explore the fascinating world of tree shrews and flying lemurs in this 19-minute lecture focusing on the Orders Scandentia and Dermoptera. Delve into the unique characteristics, evolutionary history, and ecological roles of these lesser-known mammalian groups. Gain insights into their specialized adaptations for arboreal life, including the remarkable gliding abilities of colugos. Examine the taxonomic relationships and distribution patterns of these orders, and understand their significance in the broader context of mammalian evolution and biodiversity.