Filozoa
Passer is a genus of sparrows native to the Old World, also known as the true sparrows. The genus includes the House Sparrow and Eurasian Tree Sparrow, some of the most common birds in the world. These sparrows are plump little brown or greyish birds, often with black, yellow or white markings. Typically 10–20 centimetres (3.9–7.9 in) long, they range in size from the Chestnut Sparrow (Passer eminibey), at 11.4 centimetres (4.5 in) and 13...
More
Filozoa
Passer is a genus of sparrows native to the Old World, also known as the true sparrows. The genus includes the House Sparrow and Eurasian Tree Sparrow, some of the most common birds in the world. These sparrows are plump little brown or greyish birds, often with black, yellow or white markings. Typically 10–20 centimetres (3.9–7.9 in) long, they range in size from the Chestnut Sparrow (Passer eminibey), at 11.4 centimetres (4.5 in) and 13.4 grams (0.47 oz), to the Parrot-billed Sparrow (Passer gongonensis), at 18 centimetres (7.1 in) and 42 grams (1.5 oz). They have strong, stubby conical beaks with decurved culmens and blunter tips. All species have calls similar to the House Sparrow's chirrup or tschilp call, and some, though not the House Sparrow, have elaborate songs.
Most of its members are found naturally in open habitats in the warmer climates of Africa and southern Eurasia. According to a molecular study published in 2001, the genus originated in Africa and Cape...
Less
