A male Northern Cardinal (Cardinalis cardinalis) stands in a bed of black oil sunflower seed shells as he forages for food. The Northern Cardinal has a body length of 8-9 inches and a wingspan of 10-12 inches. The male is a vibrant red, while the female is a dull red-brown shade. The Northern Cardinal is mainly granivorous, but also feeds on fruit or insects. The cardinal was once prized as a pet, but its sale as cage birds is now banned in the United States by the Migratory Bird Treaty Act of 1918.
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