"... Yes?" Like it's one of the more obvious things in the world. Y'know. Wings. Talons. Tail. She's mostly Gargoyle, but she's been around long enough that she doesn't need to constantly announce this.
And he's still not running away and trailing 'A's' as he goes, so this is indeed progress. Of a sort. Delilah shifts her weight slightly. A little worried she could turn to stone at, y'know, any moment.