Answer: The damages that Smith is entitled to is the breach of contract.
Explanation:
Smith is entitled to damages against breach of contract. Since Pembridge Farms sold Smith two make birds, thus implies that there's a breach of contract as the birds provided is different from what Smith wants. In this case, it is impossible for Smith to breed emus.
It should be noted that the breach of contract is referred to as a civil wrong and can take a legal cause. In this case, the binding agreement isn't honored by one of the parties involved to the contract.