Crop milk is a way of feeding from the crop of parent birds, by regurgitating 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 even some penguins.
References[change | change source]
- Levi, Wendell (1977). The Pigeon. Sumter, S.C.: Levi Publishing Co, Inc. ISBN 0-85390-013-2.
- Silver, Rae (1984). "Prolactin and Parenting in the Pigeon Family". The Journal of Experimental Zoology 232: 617-625. http://www.columbiauniversity.org/cu/psychology/silver/publications/035Silver%201984.PDF.
- Eraud, C., Dorie, A., Jacquet, A. and Faivre, B. (2008). "The crop milk: a potential new route for carotenoid-mediated parental effects". Journal of Avian Biology 39: 247–251. doi:10.1111/j.0908-8857.2008.04053.x.