1. Northern Cardinal: Found in North America, the male is bright red while the female is more subdued, known for their beautiful song.
Red-headed Woodpecker: A North American woodpecker, both male and female have a solid red head and neck, known for their striking appearance.
Red-bellied Woodpecker: A North American woodpecker with a red cap and nape, known for their drumming and foraging behavior.
Red-breasted Merganser: A sea duck found in the northern hemisphere, the male has a bright red head, known for their fishing and diving behavior.
House Finch: A small songbird found in North America, the male has a reddish head and breast, known for their melodic song.
American Goldfinch: A small finch found in North America, the male has a bright yellow body and reddish head, known for their vibrant colors.
Vermilion Flycatcher: A small bird found in North and Central America, the male has a bright red head and body, known for their fly-catching behavior.
Rufous Hummingbird: A small hummingbird found in western North America, the male has a bright reddish-orange head and body, known for their acrobatic flight and feeding behavior.