Is there a technical name for the regurgitation birds use to feed their young?

I am wondering if there is a technical name for the regurgitation or vomit that many types of birds use to feed their offspring partially digested food, when they are still too young to eat whole foods.

It seems like there would be, but I haven't been able to find such a term.
Popinjay
Asked Oct 31, 2012
Some birds have a sac called a "crop" at the bottom of the esophagus that adds a milk-like liquid to the food for their babies. Both males and females are able to produce it. It's called "bird milk" but regurgitation seems to be the most popular description.

http://www.stanford.edu/group/stanfordbirds/text/essays/Bird_Milk.html
Rob
Answered Oct 31, 2012
Thank you!

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