The bright orange guy is the male baltimore oriole. The female has been around too - just not today. The yellow bird is one of the finches. The brownish bird is one of the orchard orioles. The blur in the second pic of the baltimore is a hummer going by to his feeder.
Hummingbird fact for today: Their relationships with flowering plants have shaped virtually every part of hummingbirds’ lives, from their size, shape, and hovering flight to mating habits and migration.