The translations were here before the two above comments appeared and it's not really the crow-tengu's presence that bothers Momiji, but their straight out mockery towards her.
And if you see her with Byakuren in the earlier strip and it vibrated upward... you'll have the same reaction. So, yeah, they're ears.
Klang KlangWelcome!Oh, we got a cute kid here.VisitorWe're her superiors.Oh, really?That's correct.You're right. She's just like Momiji, so doggy-like.We're considered Akita dogs, while she's a shiba dog.For some general ideas between the two, click hereAre you two acquaintances of Momiji?Knock it off, will you?!Then are you two canine youkai as well?Pwhahahahahaha!