Malfoy was furious about Buckbeak. He was convinced that Hagrid had found a way of smuggling the Hippogriff to safety, and seemed outraged that he and his father had been outwitted by a gamekeeper. Percy Weasley, meanwhile, had much to say on the subject of Sirius's escape.
. . . .
Harry looked desperately around. Black and Lupin both gone¡ they had no one but Snape for company, still hanging, unconscious, in midair.
Harry hurried up to the third floor, slipping the Marauder's Map out of his pocket as he went. Crouching behind the one-eyed witch, he smoothed it out. A tiny dot was moving in his direction. Harry squinted at it. The minuscule writing next to it read Neville Longbottom.