Hummingbird
Hummingbirds are birds native to the Americas and constitute the biological family Trochilidae. They are among the smallest of birds, most species measuring in length. Indeed, the smallest extant bird species is a hummingbird, the bee hummingbird weighing less than .
Cardinal (bird)
They are robust, seed-eating birds with strong bills. The family's smallest member is the 12-cm (4.7-in), 11.5-g (0.40-oz) orange-breasted bunting. They are typically associated with open woodland. The sexes usually have distinctive appearances. The northern cardinal type species was named by colonists for the male's red crest, reminiscent of a Catholic cardinal's biretta.