Chickens see in color and can see UV rays, according to FreshEggsDaily.com. They have one eye sighted in for distance and one for close-up vision so that they can look for seeds and bugs on the ground while simultaneously searching the sky for aerial predators.
The life expectancy of a hen varies from three to 12 years, depending on size, breed, and safety from predators.
Roosters instinctively protect hens from predators or any perceived danger (including people) by sounding an alarm, and then facing the danger as hens run and hide. Roosters have been known to ward off predators or die trying.
A rooster is not needed for hens to lay eggs.
Hens begin laying eggs as early as 16 to 20 weeks and have variable production, depending on breed and amount of daylight. Egg production can continue through life, but slows after about 3 years old When chickens stop laying eggs.
Egg shell color can be white, pink, blue, green, brown or speckled, but it’s determined by genetics and will remain basically the same throughout a hen’s life What determines egg shell color?
Fresh eggs have a coating that prevents bacteria from entering the pores of the shell. If eggs are washed, they must be refrigerated Fresh Eggs - Washed or Unwashed? It Depends......
Learn more about urban and backyard chicken keeping rules for your local municipality at Colorado Poultry Association - Zoning Laws in Colorado