Family Trochilidae โ Hummingbirds
This family is restricted to the Americas and are among the smallest of birds. Hummingbirds exhibit sexual dimorphisms. There are 325-340 species divided into two subfamilies โ the hermits (subfamily) Phaethornithinae with 34 species in six genera and the typical hummingbirds (subfamily) Trochilinae with 100 extant genera, many containing only a single species.