Bucky knows there's something in the room.
He doesn't know what it is, but he can barely focus on what Sam is saying to him on the phone right now, his instincts screaming at him to scan the whole apartment for threats. His eyes dart around the room, searching, but he sees nothing. Not a thing out of place, not a sign of movement. Still, he feels it.
He sighs aggressively, interrupting Sam's rambling about whatever. "I gotta go. Somethin's in the apartment," he says bluntly, hanging up the phone without listening to Sam's questioning.
He sets his phone down, and rolls up his sleeves, his metal arm glinting in the lamplight. His eyes search the room again, more focused, his old training taking over as he maneuvers around. He's checked the entire apartment before he finally straightens with a huff of annoyance-- what the hell was setting him off?
Then, he hears it. A thud, like-- like something hitting a window? He makes his way quickly and quietly into the kitchen, where he spots something on the windowsill above the sink. Did that thing just... run into the window?
He silently reaches for a cup sitting on the counter, sneaking up behind the creature, before slamming the glass down over it. He narrows his eyes at it-- it's a creature, he's pretty sure, with wings. But, it doesn't look like a bird, or a bug, it looks like-- a person.
"The hell...?"