So I did further testing and baby and juvenile Crystal wyverns eat 1 food every 1 minute and adolescent Crystal wyverns eat 1 food every 2 minutes and 30 seconds. Their are 1440 minutes in a day so baby and juvenile wyverns need 1440 food to make it 24 hours and adolescents Crystal wyverns need 576 food to make it 24 hours. ๐Ÿ†™ If this is was useful

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