The mulberry fruit in the genus morus. It is a multiple fruit, 2–3 cm (0.79–1.18 in) long and its Immature fruits are white, green, or pale yellow.
Its fruits turn pink and then red while ripening, then dark purple or black, and have a sweet flavor when fully ripe.
So can rabbits eat mulberries at all?
Let’s take a look at their nutritional data in particular their sugar, calcium, fat, phosphorus, sodium and acidic content
As you can see mulberries contain a little calcium, they are quite acidic, and a hint of fat.
This means that rabbits can eat mulberries but only one a week at the most due to their acidic nature. Nothing more than that