A striking, critically endangered, new species of hillstar (Trochilidae: Oreotrochilus) from the southwestern Andes of Ecuador

Finansiering

Thanks to Paul Greenfield for the superb illustration that accompanies this paper; Nicolás Peñafiel for performing molecular procedures; Mark Adams (NHM, Tring), Gerald Mayr (SNM, Frankfurt), César Garzón (MECN, Quito), and Gabriela Toscano and Santiago Burneo (QCAZ, Quito) for granting access to collections under their care. Doug Weschler provided photos of specimens held at the ANSP. Boris Tinoco, Bernarda Vásquez, and Patricio Picón (Uni- versidad del Azuay) contributed with behavioral information. Carlos A. Rodríguez-Saltos contributed with unpublished locality observations and together with Fernanda Duque, provided access to unpublished sound recordings. Judith Denkinger and Ana C. Torres helped translating German and French literature. Javier Yánez (MECN, Quito) identified stomach contents of Cerro de Arcos specimens and Diana Fernández (Herbario Nacional, Inabio, Quito), Zhofre Aguirre and Wilson Quishpe (Herbario Reinaldo Espinosa, Universi-dad Nacional de Loja) helped with plant identification and habitat information. Thanks to Guy Kirwan, Daniel Lebbin, Manuel Sánchez-Nivicela, Matthew Medhler (Macaulay Library), Arnau Bonan (Internet Bird Collection), Christopher Witt, and Wendy Willis for various contributions, and to Juan M. Guayasamin, Garth Spellman, and 2 anonymous reviewers for their insightful revision of the manuscript. Thanks to Fundación EcoCiencia for supporting planning of conservation actions. Our sincere thanks to Bernardino Loja Arévalo, Tania Romero, and Franco Teruzzi for hospitality and further assistance at Cerro de Arcos. Funding statement: This work was partially financed by grants from Universidad Tecnológica Indoamérica and Uni-versidad San Francisco de Quito (HUBI: 5447) to E. Bonaccorso. Ethics statement: Collection of specimens and genetic analyses were authorized under Contrato de Acceso a Recursos Genéticos MAE-DNB-CM-2015-0017, between Universidad Tecnológica Indoamérica and Ministerio del Ambiente, Ecuador. Authors contribution: F.S.M. made initial discovery; F.S.M., J.N., N.K., and J.F.F. collected specimens and field data; F.S.M. procured partial funding, and botanical and stomach content identifications; E.B. and J.F.F. supervised research; E.B., J.F.F., and N.K. developed or designed methods; E.B., J.F.F., J.N., and N.K. analyzed the data; E.B. and J.F.F. wrote the paper; J.N. and N.K. substantially edited the paper. Data deposits: All genetic data are deposited in GenBank. Photographs and audio recordings were deposited in the Internet Bird Collection, Xeno-Canto, and Macaulay Library. Nomenclature review: The nomenclature in this paper has been reviewed by the Working Group on Avian Nomenclature of the International Ornithologists’ Union. Oreotrochilus cyanolaemus was registered on ZooBank and it received the following LSID: urn:lsid:zoobank.org:pub:4944-DAAD-1338-44EE-A991-AB3F97BB3D9E