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The little brown bat ( " Myotis lucifugus " ) is known to participate in communal roosts of up to thirty seven during cold nights in order to decrease thermoregulatory demands , with the roost disbanding at daybreak .
 animal: Myotis lucifugus
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Myotis lucifugus 
Answer:
 animal: Myotis lucifugus