I was just about to PM Opa & ask the same thing! THEN, just saw the pic, Sam, of your GORGEOUS niece! Forgot that you mentioned she was coming for this week/weekend...
So. Yesterday the birds were out free ranging & decided going into the woods would be cool (Partridge already does, she has built a nest there & sometimes lays in it). All of a sudden DH yells that SOMETHING is going on out there. Not sure what spooked/went after them (probably a raccoon, the gold kitty, or most likely a hawk based on the WAY they hid themselves), but they scattered & hid.
The reason I suspect hawk is when I finally found those that hadn't made a mad dash back to their favorite resting spot under the deck around the bushes & weeping cherry tree....and maybe I am attributing WAY TOO MUCH intelligence to them....the 3 roosters had huddled under a log with Lela (BCM), the others buried within brush at the edge of the woods. And they were all PERFECTLY still, so still that when I went to grab a few that NEVER let me easily pick them up, they were actually limp! (While I was searching for birds, DH had a predator "dispatcher" & was searching the woods, never found anything)
I found this behavior interesting...it never ceases to amazes how I keep learning something new about how the birds react in different situations. Figured hawk since they all went into hiding with some type of top cover. A ground predator could've had a field day with the way a few of them were locked down! Again, maybe I am giving them too much credit, but I am still a newbie.
In the end, no losses, but, once they realized it was safe, they made a beeline for the "under the deck" spot, & pretty much stayed here for the remainder of the afternoon.