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How large is a northern cardinal?

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Reed warbler (Acrocephalus scirpaceus) — Passeriform Reed warbler (*Acrocephalus scirpaceus*).

The northern cardinal (Cardinalis cardinalis) is a medium-sized songbird that typically measures 21–23 cm (8.3–9.1 inches) in length. These birds generally weigh between 42 and 48 grams (approximately 1.5–1.7 ounces) and possess an average wingspan of about 30 cm (12 inches).1