King Louie: You're the man-cub who wants to stay in the jungle.
Mowgli: How do you know that?
King Louie: Kid, I got ears. My ears got ears. Only I can protect you.
Shere Khan: You change your hunting ground for a few years, and everyone forgets how the Law works. Well, let me remind you. A man-cub becomes a man, and man is forbidden.
Baloo: They want to send you to the man-village? I say, you can be a man right here.
Bagheera: Come on, Mowgli. Let's be on our way.
Mowgli: But I'm helping Baloo get ready for hibernation.
Bagheera: Bears don't hibernate in the jungle.
Baloo: Not full hibernation, but I nap a lot.
Kaa: Are you alone out here? What are you doing so deep in the jungle? Don't you know what you are? I know what you are. I know where you came from. Poor, sweet little cub. I'll keep you clossse. Let go of your fear now... And trussst in meee.
Answer: It was a threat to Mowgli, hoping to lure him back in grief and to save the younger wolves from the same fate.