C is for (Northern) Cardinal
The Northern Cardinal: A Splash of Color in Your Backyard
Introduction
The Northern Cardinal (Cardinalis cardinalis) is a captivating and beloved songbird known for its vibrant plumage and melodic tunes. Often associated with the holiday season and symbolizing warmth, this non-migratory bird can be found year-round in the eastern half of the United States, Mexico, and southeastern Canada. In this blog post, we will explore the unique features, behaviors, and charm of the Northern Cardinal, a true delight for birdwatchers and nature enthusiasts alike.
Appearance and Sexual Dimorphism
One of the most striking features of the Northern Cardinal is its brilliant red plumage, which is especially vibrant in males. Females, on the other hand, sport a more subdued shade of brown with reddish highlights on their wings, tail, and crest. Both sexes display a distinctive crest atop their heads, black facial masks, and a thick, cone-shaped bill perfect for cracking seeds — their primary food source.
The striking sexual dimorphism in the Northern Cardinal’s coloration is attributed to carotenoids, pigments derived from their diet of seeds, fruits, and insects. Males with brighter plumage are generally more successful in attracting mates and defending their territory, as their vivid red feathers signal good…
