When a doe has two babies at the same time they are called:

When a doe gives birth to two babies at the same time, they are referred to as twins. This term applies specifically to the situation where a mother animal, such as a goat (which is often referred to as a doe), gives birth to two offspring during a single birthing event.

Twins can occur in various species and are a common reproductive outcome for goats. The term is widely understood in agriculture and animal husbandry, indicating that both offspring developed during the same gestation period.

The other terms mentioned do not apply in this context. Triplets would refer to three offspring being born at once, which is not the case here. Duos is not a standard term used in animal husbandry to describe multiple births. Clones would refer to genetically identical organisms created through cloning processes, which is also not relevant in this scenario of natural reproduction. Understanding these definitions is important for clarity when discussing livestock birthing practices.