बिसोरनि लिरथाय फारागथिया सोमजियो बिसोर गोहो बाहायनाय बिबांनि थाखाय बिसोर जानाय खाजानि बिबांनिफ्राय ।
Their weight difference results from the amount of food they eat in relation to the amount of energy they use .