Dark waddles, shaking and won’t stop drinking

[Nope123]

I have a 2.5 year old wyandotte girl who I found lying in the corner of my run, she’s now in a cage inside. She has a dark comb and waddles, will only walk a meter at most, and she won’t stop drinking. I mixed up some water with a vitamin solution made for chickens that I give the girls every now and then, and she’s drinking non stop. Her crop is full of water and she won’t eat much. I’m really worried because she seems better than a couple hours ago but she’s barely eating and she’s pooping about 70-80% water. None of the others in the flock are ill, so whatever it is isn’t spreading.

 

[azygous]

A couple photos would be of help.

When you found this hen, was she on her side with legs scissored? Or was she crouched in a roosting posture?

When you touch her crop, does any fluid leak out of her beak? Please do not push hard on her crop or she could aspirate fluid.

Have you had any unexplained deaths in your flock over the past few years?

 

[Nope123]

A couple photos would be of help.

When you found this hen, was she on her side with legs scissored? Or was she crouched in a roosting posture?

When you touch her crop, does any fluid leak out of her beak? Please do not push hard on her crop or she could aspirate fluid.

Have you had any unexplained deaths in your flock over the past few years?

One rooster passed of what we then believed was a heart issue, we had one girl with wryneck pass about a year ago, one bantam girl who most like lay got egg bound, and a girl who dies after our rooster passed. I assume she passed due some mix of trauma and loneliness as I’ve seen it happen before.

I pressed lightly on her crop and nothing dribbled out though she opened her mouth a bit.

 

[Nope123]

UPDATE: my sweet Maybelle passed some hours ago, I’m hoping this was an isolated incident and not some virus that could attack the others in the flock