| 词条 | Silverbird (bird) |
| 释义 |
| name = Silverbird | image = EmpidornisSemipartitus.jpg | status = LC | status_system = IUCN3.1 | status_ref = [1] | genus = Empidornis | parent_authority = Reichenow, 1901 | species = semipartitus | authority = (Ruppell, 1840) | synonyms = Melaenornis semipartitus }} The silverbird (Empidornis semipartitus) is an Old World flycatcher native to Eastern Africa, from Sudan to Tanzania. The species is the only member of the genus Empidornis, although it is sometimes placed in the genus Melaenornis.[2] DescriptionThe silverbird is a stunning flycatcher of open areas west of the Rift Valley, silvery grey above and tawny orange below. Juveniles have black-bordered tawny spots on upperparts, mottled buff and black on throats and breasts. The species is {{convert|18|cm|adj=on|abbr=on}} long and weighs {{convert|22|-|23|g|abbr=on}}.[2] The call of the silverbird uses short phrases which are slightly thrush-like. Sometimes the terminal note is higher and thinner, eee-sleeur-eeee or sweet siursur-eet-seet; also a longer eep-eep churEErip, eep-eep cherip chch chchch eee, embellished with chattering and seep notes. References1. ^{{IUCN|id=22709031 |title=Melaenornis semipartitus |assessor=BirdLife International |assessor-link=BirdLife International |version=2013.2 |year=2012 |accessdate=26 November 2013}} 2. ^1 Taylor, B. (2017). Silverbird (Melaenornis semipartitus). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from http://www.hbw.com/node/59007 on 4 April 2017).
External links
3 : Muscicapidae|Birds of East Africa|Birds described in 1840 |
| 随便看 |
开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。