Translation of "물개들도" in English

‎그러나 물개들도 ‎배를 채우긴 채워야 합니다

But at some point, the rest of the seals must feed.

‎새끼 물개들도 몹시 경계하므로 ‎몰래 접근하기는 어렵습니다

and the pups on high alert, it's hard to sneak in unnoticed.