bunnies eating flowers

Question
Hi Andrea,
        This is Richa from India. My two one and a half year old bunnies sometimes munch on marigold flowers, the orange and yellow ones.And then they discharge orangish-red colored pee. Is everything ok? They seem as normal as ever otherwise.

Answer
They're fine.  Some plants have things in them that can temporarily  change the color of the urine.  Carrots are a common example.  The flowers won't harm them.

If they ever go munching on different plants, you can check this list to see if it's poisonous:
http://www.allearssac.org/poison.html