Chunky, urban colonist. Introduced to Brooklyn, NY in 1851, now common in urban and suburban areas across North America. Large, large-headed brown sparrow; males show black face and throat, white cheeks, and reddish napes. Unrelated to native North American sparrows. Primarily a seed eater, with some insects taken during breeding season; often at feeders. Generally nests in manmade structures; often aggressively competes for nest boxes. Lifespan up to 15 years. Population ~ 82 million and declining.