Aestivation also aestivate. Although relatively uncommon, a small number of mammals aestivate. Animal physiologist Kathrin Dausmann of Philipps University of Marburg, Germany, and coworkers presented evidence in a 2004 edition of "Nature" that the Malagasy fat-tailed dwarf lemur hibernates or aestivates in a small tree hole for seven months of the year. According to the Oakland Zoo in California, East African hedgehogs are thought to aestivate during the dry season. Aestivation Aestivation or æstivation (from , summer, but also spelled estivation in American English) is a state of animal dormancy, similar to hibernation, characterized by inactivity and a lowered metabolic rate,
The Ensigns of Command "Enterprise", Picard exploits a loophole in the treaty. He invokes a section calling for third-party arbitration to resolve the dispute and names as arbitrators the Grizzelas, a species that is in its hibernation cycle for another six months. Picard offers the Sheliak a choice: wait 6 months for the Grizzelas to come out of hibernation, or give the Federation three weeks to evacuate the colony. Stunned at being outmaneuvered into this choice, the Sheliak give the Federation the three weeks. Just as Data is about to leave the colony in his shuttle, Ard'rian comes to say goodbye. She asks Data