Allen’s Hummingbird
Allen’s Hummingbird, along with Anna’s Hummingbird, are the only two common nesting hummingbirds in Northern California’s gardens.

Anna’s Hummingbird
Commonly seen in open woodlands, shrubby areas, back yards and parks, Anna’s Hummingbird is the most widespread hummingbird on North America’s Pacific slope.

Beach-nesting Birds Need Our Help
On the coasts, we can balance birds' needs and humans' desires.

Black-chinned Hummingbird
Black-chinned Hummingbirds are widespread over much of the American West during nesting season and almost entirely absent in winter.

Blackpoll Warblers Make Nonstop Flights
Wintering in South America, Blackpoll Warblers often double their body weight for this flight, building up a fat reserve that burns off during the journey.

Bluebirds of Happiness
The most beautiful of the three bluebird species, the Mountain Bluebird chiefly resides in the open country of the western United States.

Blue-throated Hummingbird
Bold and aggressive, the Blue-throated Hummingbird’s range is limited to a few mountains near the Mexican border.

Broad-billed Hummingbird
Abundant in southwestern United States during summer, Broad-billed Hummingbirds migrate to Mexico each fall.

Brown-headed Cowbirds: Feathered Parasites
With stealth and cunning, female cowbirds drop their eggs into other species’ nests when the owners are away.

Calliope Hummingbird
Inhabiting high-elevation forest glades, meadows and canyons, some Calliope Hummingbirds migrate from Canada to southern Mexico, mostly via the Rocky Mountains.

Costa’s Hummingbird
Costa's Hummingbirds nest in the deserts of California, Arizona and northwestern Mexico in late winter, then avoid the hot summer by migrating to the cooler West Coast in late spring.

Green-breasted Mango
Though widespread in the American tropics, Green-breasted Mangos have been seen in southern Texas, North Carolina and even Wisconsin.

Gyrfalcons rule the Arctic
The largest falcon in the world, The Gyrfalcon is also the rarest and most difficult of all North American raptors to find.

Rarer Raptors in Florida
Raptor species that are more tropical in nature have set up shop and breed in limited numbers in Florida.

Red Crossbills Have Pliers for Beaks
Red Crossbills are best known for their unusual bill shape, which allows them to pry open evergreen cones to extract the seeds.

Reddish Egrets Become Graceful Dancers
The stately Reddish Egret performs a "water dance" that is unmatched in nature.

Ruby-throated Hummingbird
The Ruby-throated Hummingbird is the only hummingbird species regularly found in eastern North America during spring and summer.

Rufous Hummingbird
Rufous Hummingbirds migrate from Mexico to Alaska nesting sites and can be spotted in streamsides, forest edges and mountain meadows.