"Look!" said Merry. "The Moon is rising: it must be getting late."
The others looked up. Even as they did so, they saw on the top of the hill
something small and dark against the glimmer of the moonrise. It was perhaps
only a large stone or jutting rock shown up by the pale light.
Sam and Merry got up and walked away from the fire. Frodo and Pippin
remained seated in silence. Strider was watching the moonlight on the hill
intently. All seemed quiet and still, but Frodo felt a cold dread creeping
over his heart, now that Strider was no longer speaking. He huddled closer to
the fire. At that moment Sam came running back from the edge of the dell.
"I don't know what it is," he said, "but I suddenly felt afraid. I durstn't
go outside this dell for any money; I felt that something was creeping up the
- J.R.R. Tolkien: the Fellowship of the Ring
In other words, the hardened rangers (a.k.a. Bree rangers) are now more
cautious when hunting their targets during the night time.