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The screamers are represented by three species , the horned screamer ( " Anhima cornuta " ) , the southern screamer or crested screamer ( " Chauna torquata " ) and the northern screamer or black-necked screamer ( " Chauna chavaria " ) .
 animal: horned screamer; animal: southern screamer; animal: northern screamer
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: horned screamer, southern screamer, northern screamer 
Answer:
 animal: horned screamer; animal: southern screamer; animal: northern screamer