They were still standing over him, cursing their ill luck, and Bombur’s clumsiness, and lamenting the loss of the boat which made it impossible for them to go back and look for the hart, when they became aware of the dim blowing of horns in the wood and the sound as of dogs baying far off. Then they all fell silent; and as they sat it seemed they could hear the noise of a great hunt going by to the north of the path, though they saw no sign of it.
– The Hobbit, Chapter 8 Flies And Spiders
I’d like to think the hart somehow escaped, and recovered to bugle his defiance at survival for another season.
They were still…