how is male sparrow distinguished from female sparrow?

Question

the one having dark freathers may be called quil feathers and big one is?

Answer 1

Which sparrow? There are 12 species in North America. The one most common in cities is the English sparrow. A exotic introduced pest. http://www.illinoisraptorcenter.org/Field%20Guide/sparrow.html

Sparrows, like anything else know the differences between the sexes. It does not need color patterns of feathers. Remember in wildlife it is the usually the female that chooses her mate, not the male.

Bird male and females are seldom totally the same coloration.

"Males have a striped back, the crown of the head is gray while the back of the neck is brown. Mature males are also characterized by their black bib. Females and juveniles are brown with striped backs, unspotted buff bellies and a buff eye stripe "
http://edis.ifas.ufl.edu/UW119

Answer 2

I'll also add that there are more than 12 species of sparrow in north America, there are 33 native and two introduced . Note: only talking about birds with sparrow in their name, a rather arbitrary cut that cuts out a many members of the family in which it is easy to tell males and females apart (longspurs and some towhees for example). Of the 33 native sparrows I can only think of one with distinguishing field marks between sexes; the black-chinned sparrow, where the female has much less / no black on the throat.
http://www.mbr-pwrc.usgs.gov/id/framlst/i5650id.html
Of course there are ways to tell them apart often very slight plumage coloration, slight size differences, presence of brood patch, etc. but these are not things you're going to be able to tell on a bird in the field.

Males and females in the the house sparrow are quite different, especially in breeding plumage. For the house sparrow the male has a gray crown, black bill and bib (throat) and a chestnut colored nape (back of head ), the female is a rather drab brown.http://www.birds.cornell.edu/AllAboutBirds/BirdGuide/House_Sparrow.html
The other introduced species, the Eurasian tree sparrow has no distinguishing field marks.

Answer 3

I'll add that birds that show no sexual dimorphism (both sexes look identical) can see colors in the ultraviolet range. This means that there are ultraviolet tags that specify what gender a single bird is.

That, and there are likely signs within individual birdcalls.

Answer 4

the male has a weiner