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Crop milk

Mourning Dove Nesting Idiosyncracies

Nest-building and chick-feeding are a bit unusual for Mourning Doves.  As to nest construction, the female remains at the nest site while the male dove collects the nesting material (twigs, grasses, pine needles, etc.). He returns to the nest and proceeds to stand on his mate’s back while presenting the material to her and she weaves it into the nest.  

The hatchlings, or squabs, are fed by regurgitation.  For the first four or five days, the squabs insert their bills in each side of either parent’s mouth and drink what is referred to as crop milk, a secretion from the lining of the crops of the parents.  All pigeons and doves produce crop milk for their young.  Seeds are regurgitated in increasing amounts and by the time the squabs fledge, they are essentially seed eaters like their parents. (Note: With a little effort, scruffy feathers of squabs can be seen beneath the breast of this nesting Mourning Dove.)

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