Letitia's Thorntail also known as the Coppery Thorntail, is a species

Species

In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

 of hummingbird

Hummingbird

Hummingbirds are birds that comprise the family Trochilidae. They are among the smallest of birds, most species measuring in the 7.5–13 cm range. Indeed, the smallest extant bird species is a hummingbird, the 5-cm Bee Hummingbird. They can hover in mid-air by rapidly flapping their wings...

 in the Trochilidae family. It is only known from two old male specimens from Bolivia

Bolivia

Bolivia officially known as Plurinational State of Bolivia , is a landlocked country in central South America. It is the poorest country in South America...

 (though localities for old skins often are unreliable, and it is possible they came from elsewhere). Consequently its behavior and habitat are unknown, but likely similar to that of other thorntails

Discosura

Discosura is a genus of hummingbird in the Trochilidae family. The thorntails are sometimes placed in the genus Popelairia , leaving Discosura for the Racket-tailed Coquette...

. It has been suggested that it represented a hybrid or a variant of the Racquet-tailed Coquette, but a study has validated its status as a distinct species.