This is a great set of pics of baby hummingbirds as well as a good video
of feeding just prior to fledging.
http://www.komar.org/faq/travel/hummingbirds/nest/
Also on the same site you can watch grass grow
http://www.watching-grass-grow.com/
and even if you want you can watch paint dry
http://www.watching-grass-grow.com/
David @ the drying end of Swansea Bay