Genus Euphagus is a group of birds commonly known as the blackbirds. Some synonyms for this genus include Brewer's blackbird, rusty blackbird, and yellow-headed blackbird. These birds are known for their stunning black plumage and can be found across North America. While they may all be part of the same genus, there are subtle differences between the species including their size and coloring. Brewer's blackbirds are larger and have a purplish sheen to their feathers, while rusty blackbirds have a rusty coloring on their heads and upperparts. Yellow-headed blackbirds are easily distinguished by their bright yellow heads. Regardless of their differences, all blackbirds in the Genus Euphagus are beautiful and fascinating creatures.