Red poop- could tomatoes cause this or is something seriously wrong?

[picklestheduck]

I gave my flock a big bowl of tomatoes and watermelon about an hour or two ago, and I just saw my duck poop a big piles of very red poop. Upon observation I’m seeing several piles, but it doesn’t look like blood. Is it from tomatoes? Help!

 

[NatJ]

I gave my flock a big bowl of tomatoes and watermelon

That would be why the poop is red.

As long as the birds are acting fine, and the poop goes back to normal within a day or so, I do not think you need to worry.