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Columbicola extinctus , also known as the Passenger Pigeon chewing louse , is an extant species of phtilopterid louse that was once believed to have been extinct with its only known host , the Passenger Pigeon , prior to its rediscovery living on Band-tailed Pigeon s. Like other members of the genus Columbicola , is a long , slender louse that shows marked sexual dimorphism in the antennae , as the male 's are much longer than those of the female in the third segment .
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Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
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 Entities:  
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