4623
It moves by knuckle-walking ( like the common chimpanzee , but unlike the bonobo and both orangutan species ) , supporting its weight on the backs of its curved fingers rather than its palms .
 animal: bonobo; animal: orangutan
Please list all entity words in the text that fit the category.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} 
Answer:
 animal: bonobo; animal: orangutan