This what i don't like in manga or ln, a forced even.... red bear mke fuss all around but flora not notice it, if we take logic, flora was grown up on near forest, usually people who grown up on near forest know what to do when there a danger, even i who like going to forest know what to do, when there a fuss usually first bird will fly scared, it will notice us there a something ahead and make our awarness high, in this step usually people have two choice depend on how far the danger it can be flee back to village or find safe place to hidden(climbing tree,hide in cave, going to river, etc) its different story if the red bear have calm judgment and stealthly, but that its.. idk who the editor of this manga but i can say the editor very lazy to miss this,
Ps: just annoyed when this simple logic bypass in editor mind, or editor-san maybe to much city person
Pss: dont bully my ramble lol