Assertion: gorilla's weight | /r/HasProperty | approximately 150–200 pounds
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Source sentences:
text: Koko's weight of 280 pounds (127 kg) was higher than would be normal for a gorilla in the wild, where the average weight is approximately 150–200 pounds (70–90 kg), but the foundation stated that Koko "is, like her mother, a larger frame Gorilla".