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The Passenger Pigeon
the ridge, 5-6, along the gap, 1 1-12; tarsus, 11⁄4; middle toe, 1 1-3.
adult female
The colors of the female are much duller than those of the male, although their distribution is the same. The breast is light grayish-brown, the upper parts pale reddish-brown, tinged with blue. The changeable spot on the neck is of less extent, and the eye of a somewhat duller red, as are the feet.
Length, 15 inches; extent of wings, 23; bill, along the ridge, 3-4; along the gap, 5-6.
