SAN FRANCISCO — With spring comes warmer weather, more flowers and hummingbirds ... you can make a homemade hummingbird nectar. Take four parts water to one part white sugar and mix.

SAN FRANCISCO — With spring comes warmer weather, more flowers and hummingbirds ... or “butterfly bushes,” you can make a homemade hummingbird nectar. Take four parts water to one part white sugar and ...