This hummingbird cam is real time and shows two babies sitting in a nest the size of a golf ball. They are getting read to fledge; the mother buzzes in and feeds them constantly. It's amazing.
http://www.sportsmansparadiseonline....gbird_Cam.html
You can also check out many other wildlife cams on this site.
http://www.sportsmansparadiseonline....e_Webcams.html