Identifying wild bird eggs generally requires a thorough field guide, as there are no hard and fast rules about which eggs belong to which type of bird. Avoid activity around a bird nest during the incubation period with advice from a professional wildlife biologist and naturalist in this free video on bird eggs. Expert: Bo Brown Contact: www.firstearth.org Bio: Bo Brown is a professional wildlife biologist, naturalist and wilderness survival instructor. Filmmaker: Kevin Leeper

Feed birds with bird feeders that are easily cleaned and large enough to hold plenty of bird seed. Use a variety of bird seed, and have a water source and brush pile nearby the feeder. Clean bird feeders about once a month with instructions from a professional wildlife biologist and naturalist in this free video on bird feeders. Expert: Bo Brown Contact: www.firstearth.org Bio: Bo Brown is a professional wildlife biologist, naturalist and wilderness survival instructor. Filmmaker: Kevin Leeper

I placed a Bluetooth wireless mike in the lilac bush and from 2 — 3 feet away I got this video of these incredible little hummingbirds.