" And suddenly, in the place of the woman-shape made of shadow, there was something else. Something huge, something ugly. Linay flung up both hands. The thing screamed like a hawk and opened to wings: one white as a death cap, one clotted in shadow. The wings came together and the whole pond shuddered.
Something hit Kate's ear and shoulder and smashed to the deck by her feet. It was a swallow, dead. She could hear them falling all over the pond. "

― Erin Bow , Plain Kate