YOU SAID:

Which means that hyenas must too

INTO JAPANESE

つまり、ハイエナもそうでなければなりません

BACK INTO ENGLISH

In other words, hyenas must also be

INTO JAPANESE

言い換えれば、ハイエナもなければなりません

BACK INTO ENGLISH

In other words, there must also be hyenas

INTO JAPANESE

言い換えれば、ハイエナも存在するに違いない

BACK INTO ENGLISH

In other words, there must be hyenas

INTO JAPANESE

つまり、ハイエナがいるに違いない

BACK INTO ENGLISH

In other words, there must be a hyena

INTO JAPANESE

つまり、ハイエナがいるに違いない

BACK INTO ENGLISH

In other words, there must be a hyena