The vast majority of domestic duck breeds descend from mallards and were developed by selectively breeding different domestic birds (and sometimes domestic and wild individuals) for desired traits ...

Amazons, conures and macaws all interbreed. Different species of domestic ducks interbreed, and domestic ducks breed with wild species. Backyard birds sometimes interbreed. For example ...

Different species of domestic ducks interbreed, and domestic ducks breed with wild species. Backyard birds sometimes interbreed. For example, black-cap chickadees breed with Carolina chickadees ...