Thanks for sharing the video and baby pigeon pics.
My husband used to raise pigeons so I am surprised they look like that. I guess he never showed me one until they got older.
We have a pair that have made their nest in the
trees near our house so I see them occasionally.
https://www.livescience.com/33385-why-we-never-see-baby-pigeons.html
According to this article, they are songbirds.
Where did all the baby pigeons go?
Turns out the wriggling baby songbirds are just waiting in their nests until they mature enough to flit about on their own. (Songbirds are birds that belong to the scientific Order Passeriformes, which are more commonly known as "perching" birds.) ...
Most baby songbirds are in the nest until they are fully feathered and as big as the adults.