Whether sipping nectar from flowers and zipping through the air, hummingbirds are a sure sign of spring in California. The itty-bitty birds are busy breeding and building nests, which means there ...

Hummingbirds in California are rapidly evolving. Within just a century, perhaps even just a few decades, their beaks have been getting pointier and pokier. ... eat, and live. In a new study ...

Calliope hummingbirds are a tiny species found mostly in Northern California. According to eBird, the best time to see one is in the spring when they travel north, taking a different route for ...

Anna’s hummingbirds have evolved to have longer, larger beaks to access backyard feeders in urban areas. It could be a step toward becoming a “commensal” species that lives alongside humans, like ...

Birders can spot seven hummingbird species in California, and while some hummingbirds are found in parts of the state year-round, other species can be seen in the spring thanks to their migration.

Anna's hummingbirds seem to be thriving amid urbanization in California, even as other hummingbird species have declined due to human activity. VWPics / Universal Images Group via Getty Images ...

Hummingbirds are tiny, brightly colored birds native to North and South America. There are over 300 hummingbird species, and they inhabit various habitats, such as temperate woodlands, mountain ...

Hummingbirds gather around a hummingbird feeder filled with sugar water, in a backyard in the San Fernando Valley section of the city of Los Angeles, July 17, 2014.

The birds live more than 12,000 feet above sea level on a sparsely vegetated slope where it is hard to come by nectar-providing flowers, water or shelter from freezing temperatures and biting winds.

“This is really the peak season for observing hummingbirds,” one expert said. Hummingbirds are ‘on the go’ in California. Here’s what you’ll see and how to attract them ...