Looking for hummingbird nests? They're small and often hidden, but this image by Bill Hilton Jr.via Operation Ruby Throat will give you an idea of what to look for. Do not remove any nests you find because hummers and other birds reuse their nests.
Here is a hummingbird nest my wife found. I don't think I've ever seen one before. (maybe more than just r/mildly interesting) (xpost)
Hummingbird with Nest.I found a Hummingbird& Nest just by mistake. It was so tiny and precious. The egg is the size of a very small pebble. These birds are such Beautiful Little God& Babies.: Baby Hummingbirds, Nest I, Humming-Bird, Beautiful