This is an excellent video ( does have an ad though you might want to advance)

Animals A to Z: nests


This next video is an hour long but worth watching.  Especially as a family.  There is a bar for each episode on the bottom of the video. So beautiful

PBS: Nature, Nests


This video is of a robin building her nest.  It is only 6 minutes and very informative
Robin building a nest

I love this one of a hummingbird building a nestHummingbrid building a nest