The marvellous spatuletail (Loddigesia mirabilis) is a medium-sized (up to 15 cm long) white, green and bronze hummingbird adorned with blue crest feathers, a brilliant turquoise gorget, and a black line on its white underparts. It is the only member of the monotypic genus Loddigesia. It is sexually dimorphic. A Peruvian endemic, this species is found on forest edges in the Río Utcubamba region. It was first reported in 1835 by the bird collector Andrew Matthews for George Loddiges, after whom the genus is named.