Final answer:
The American robin belongs to the Animal Kingdom, a taxonomic group that includes all animals.
Step-by-step explanation:
The American robin, Turdus migratorius, belongs to the Animal Kingdom. The Animal Kingdom, also known as the Kingdom Animalia, is a taxonomic group that includes all animals. Animals are multicellular organisms that have the ability to move voluntarily and are heterotrophs, meaning they obtain nutrients by consuming other organisms or their byproducts.