Help to ID predator

I don't know. With so many gone at one time, it sounds more like a dog than anything else, but the birds usually don't disappear. The dog will often stack them up since it is only playing. It sounds a bit like a pack of coyotes, or even wolves. I don't know how possible that is in your set-up and area. They can get through pretty small holes on fences or jump a decent fence, even carrying a chicken. Hawks don't travel in squadrons. It's hard to imagine going from no birds disappearing to 5 in one day to hawks. I'm sure it is possible, just doesn't sound reasonable. With you finding patches of feathers around, it kind of destroys the theory that something frightened them out of your fence and killed them elsewhere or that they are still hiding.

These links may help you, possibly the second link more than the first since it is more detailed.

Oklahoma State – Clues to predators
http://pods.dasnr.okstate.edu/docushare/dsweb/Get/Rendition-3573/unknown

Clues to Predators thread
https://www.backyardchickens.com/forum/viewtopic.php?id=18670

Good luck. This sounds like a hard one to be sure.

 

If it is a hawk attack, I wonder if there was anyhwere for the chickens to take cover? My chooks see a hawk from a long ways away, make the predator noise, and run for the bushes. Hawks can't swoop down and get the chickens if the hawk might break a wing flying into a tree or branches. I would make sure there are places all over the yard for them to run under and hide. Can be anything, trees, bushes, even turned over wheelbarrows. good luck, call for the birds, if you have a loud noise that they are used to hearing all the time that helps direct them home. I had 1 hen return the day after a fox attack cause she heard the critter alarm (real loud annoying noise they used to hear every night during the winter).

 

Sorry to hear about your birds. Losing them to preditors is annoying at best, but to lose so many at a go is really hard. This sounds to me like a dog or a fox. Foxes aren't usually out during the day, though a vixen with a litter to feed might be an exception. I have had losses of up to 20 birds in fox massacres. My fox losses have usually occurred at dawn, when the birds are just coming from their roosts and the fox hasn't yet retired for the day. A fox will kill all it can catch, then "cache" the bodies. Foxes can be very clever at finding holes in your defenses, sometimes a trail of feathers will lead you to the point where one gained access.