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 .
Least flycatcher
The least flycatcher ("Empidonax minimus"), (also called chebec, or chebecker, after the sound it makes), is a small insect-eating bird. It is the smallest "Empidonax" flycatcher in eastern North America.