The answer is in your yard. Watch closely for the smallest hints, record what you find and advance the cause of science.

But even with plant species I have long grown ... darting to sip at the nearby yellow bells (Tecoma stans). Even absent “mama hummingbird” some days, though, the scene is one of bounty.

Do you enjoy spending time bird-watching in the spring? If so, learn how to attract these little birds to your garden.

Hummingbirds are particularly drawn to gardens that showcase colorful, nectar-rich flowers and plants. Sugary nectar accounts for 90% of a hummingbird's diet, supplying them with energy.