New World songbirds including orioles, grackles, cowbirds, and meadowlarks.

https://en.wikipedia.org/wiki/File:Western_Meadowlark.jpg
Author: Kevin Cole. Creative Commons Attribution Generic 2.0

• Adults of both sexes have a yellow breast with a black V collar, eye stripe, and mottled brown back
• Song is a beautiful series of liquid notes, frequently delivered from visible perches such as small trees or fences
• Found in large open fields where it eats insects, grains and seeds

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Author: Mdf.  GNU Free Documentation License 1.2, no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts

• Smaller than American Crow; about the size of a robin but with longer tail and beak.
• Male has glossy, iridescent plumage; female has drabber plumage
• Vocalizations are metallic-sounding
• Easy to confuse with Brewer’s Blackbird

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Author: Alan D. Wilson. Public Domain, Creative Commons Attribution-Share Alike 2.5

• Male has distinctive epaulets which are displayed from exposed perches
• Preferred habitat is cattails and other vegetation in marshy areas
• Female looks very different from male: streaky brown all over, with a white eye stripe. Skulks in vegetation and does not show itself flashily like the male.

https://commons.wikimedia.org/wiki/File:Bullock%27s_Oriole.jpg
Author: Kevin Cole. Creative Commons Attribution Generic 2.0

• Male is gorgeous orange, black and white; female is drab with pale olive/yellow and brown washing.
• Male sings from upper tree canopy
• Eats insects, fruit and nectar; may visit hummingbird feeders
• Formerly thought to be one species, Northern Oriole, along with the eastern Baltimore Oriole, but now considered a separate species.

https://commons.wikimedia.org/wiki/File:Brown-Headed_Cowbird.jpg
Author: Alan Wilson. Creative Commons Attribution-Share Alike 3.0 Unported

• Male has brown head and iridescent body; female is drab brown
• Parasitic species which lays its eggs in the nests of other birds
• Song is liquid; female chatters

https://commons.wikimedia.org/wiki/File:Brewer%27s_Blackbird_male_RWD4.jpg
Author: DickDaniels. Creative Commons Attribution-Share Alike 3.0 Unported

• Easily confused with Common Grackle: note the tail and beak which are shorter than a grackle's. Voice also differs.
• Males are glossy iridescent black; females are dark gray-brown.
• Well-adapted to life around humans in rural, suburban and urban areas.