Assertion: rhino's weight | /r/HasProperty | 40 to 60 kg
Facets:
value: at birth
type: TEMPORAL
Source sentences:
text: At birth, the average weight of juveniles is 40 to 60 kg, and the head and body length is 0.50 to 0.65 m. The horns of juveniles can only be seen six weeks after birth, when black membranes covering the horns fall off.