tinny pit call and twitters distinct from Anna’s. Costa’s generally plainer on throat and underparts, without dusky throat spotting. See black-chinned hummingbird.

Check out these amazing facts and pictures of baby hummingbirds ... “A hummingbird nesting in your area in January would be either Anna’s hummingbird or Allen’s hummingbird.

Anna’s hummingbirds, named after Anna Masséna, duchess of Rivoli, are native to western coastal regions of North America. The mixed habitats of the UC Santa Cruz Arboretum and Botanic Garden ...

Hummingbirds Are Zipping Around San Diego County’s Backyard Gardens, scrub-covered coastal hillsides, and the warming ...

Rufous hummingbirds in particular are well-known for their peregrinations across the continent, and over several decades have ...