This hummingbird is green overall and lacks white tail tips. Northern Bolivian records place subspecies P. t. leucorrhous in white-sand vegetation and along edges between savanna and low forest.
It is green overall and has no white tips on the tail feathers. The dark mark behind the eye is faint or absent compared with the related White-tailed Goldenthroat.
In northern Bolivia, P. t. leucorrhous was recorded in white-sand vegetation with palms and at a semi-open boundary between savanna and low forest. Birds also perched in small trees above low herbs.
An extinction-risk assessment has not been added yet.