Anna's hummingbird (male)
Calypte anna

Size: 4 inches
Overall Color: green/white
Occurrence: town
Diet: nectar, insects
Nest: small cup
Field Identification: rose red helmet and throat
Season: year-round

Kingdom: Animalia (Animals)
Phylum: Chordata (hollow nerve cord)
Subphylum: Vertebrata (backbone)
Class: Aves (Birds)
Order: Apodiformes
Family: 41 Trochilidae (hummingbirds)
Genus: Calypte
Species: anna