Any idea? Well it could be dozens of things, and Peter didn't like speculating too much. He just made a noncommittal sound while he picked his way through a patch of early flowers that were particularly poisonous while he thought about it. He didn't think at all to mention to Murdoc to be careful with them.

Finally he answered. "It's not something that usually makes its home here, or the centaurs wouldn't be so antsy about it. The unicorns and the thestrals have both gone to ground. So whatever it is has worried them too. I need to swing by one of the unicorns' groves to check on them actually. This time of the season is a bad time for intruders to stress them. It's close enough to the full moon that it might be a werewolf pack. Rumors aside there isn't one actually in the forest and dealing with it would be as simple as telling them to move on. I doubt it though. They usually have the sense to return to their homes in between the moons."