1. Crop milkCrop milk is a secretion from the lining of the crop of parent birds that is regurgitated to young birds. They are found among all pigeons and doves where they are referred to as pigeon milk. Crop milk is also produced by flamingos and some penguins.
Read “Crop milk” on English Wikipedia
Read “素嚢乳” on Japanese Wikipedia
Read “Crop milk” on DBpedia
Read “Crop milk” on English Wikipedia
Read “素嚢乳” on Japanese Wikipedia
Read “Crop milk” on DBpedia
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