Why are lions not as big as elephants?

Carnivores are some of the widest ranging terrestrial mammals for their size, and this affects their energy intake and needs. This difference is also played out in the different hunting strategies of small and large carnivores. Smaller species less than 15-20 kg in weight specialize on very small vertebrates and invertebrates, which weigh a small fraction of their own weight, whereas larger specie

[takado]

何故ライオンはゾウみたいに大きくないのか→エサから得られるエネルギーと代謝との釣り合いから肉食ほ乳類の体重は1トンを超えられない

[raurublock]

肉食獣のサイズに上限がある理由は、餌を狩るときのエネルギー収支にあった