Gorriones comunes americanos.
Los machos poseen una mancha negra en forma de babero que cubre parte del pecho y la garganta. La frente, la coronilla y la nuca son grises.
Las hembras poseen colores más apagados que los machos: su cabeza es parda y las cejas son claras; además, no poseen negro en la garganta, característica común de los machos.
La cría, conocida como gurriato, es similar en su plumaje a la hembra.
El gorrión común probablemente es el pariente más cercano del Passer italiae italiae.
The sparrow weighs about 30 g and measured 14-16 cm total length (males usually somewhat larger than the female). It is robust conformation and has short legs. Its beak is thick, strong and tapered. The back is brown plumage with black and red spots.
The males have a black spot on a bib that covers chest and throat. The forehead, crown and nape are gray.
Females have duller colors than males: his head is brown and eyebrows are clear; also do not have black throat, a common characteristic of males.
Breeding, known as Gurriato, is similar in plumage to the female.
The house sparrow is probably the closest relative of Passer italiae italiae.
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