Quick answer
Watermelon may fit only as a tiny occasional amount for rabbits. It should not replace the normal diet.
Use a tiny occasional amount only. This should not become a daily food.
Fruit safety check
Watermelon may fit only as a tiny occasional amount for rabbits. It should not replace the normal diet.
Watermelon may fit only as a tiny occasional amount for rabbits. It should not replace the normal diet.
Use a tiny occasional amount only. This should not become a daily food.
Remove rind and seeds.
Watery fruit may soften stool.
Rabbits usually rely on grass hay. That makes watermelon different from a generic human-food answer, especially around sugar, starch, seeds, animal protein, and sudden diet changes.
Watermelon may fit only as a tiny occasional amount for rabbits. It should not replace the normal diet.
Remove rind and seeds.
Watery fruit may soften stool.