The spectacled tyrannulet (Zimmerius improbus), also known as specious tyrannulet or mountain tyrannulet, is a small passerine bird in the tyrant flycatcher family. It occurs in Venezuela and Colombia.
| Spectacled tyrannulet | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Passeriformes |
| Family: | Tyrannidae |
| Genus: | Zimmerius |
| Species: | Z. improbus
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| Binomial name | |
| Zimmerius improbus (Sclater, PL & Salvin, 1871)
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The spectacled tyrannulet was described in 1871 by the English naturalists Philip Sclater and Osbert Salvin under the binomial name Tyranniscus improbus.[2] It was formerly considered to be conspecific with the Guatemalan tyrannulet (Zimmerius vilissimus).[3][4]
There are two subspecies:[4]
- Zimmerius improbus tamae (Phelps & Phelps Jr, 1954) – Sierra Nevada de Santa Marta in northeast Colombia
- Zimmerius improbus improbus (Sclater, PL & Salvin, 1871) – Serranía del Perijá in northeast Colombia and northwest Venezuela
References edit
- ^ BirdLife International (2017). "Zimmerius improbus". IUCN Red List of Threatened Species. 2017: e.T104008963A112284037. doi:10.2305/IUCN.UK.2017-1.RLTS.T104008963A112284037.en. Retrieved 11 November 2021.
- ^ Sclater, P.L.; Salvin, O. (1871). "Description of five new species of birds from the United States of Columbia". Proceedings of the Zoological Society of London: 840–844 [841]. The volume is dated 1870 but was not published until 1871.
- ^ "Proposal (441): Split Zimmerius improbus from Z. vilissimus". South American Classification Committee of the American Ornithological Society. 2010. Retrieved 13 January 2018.
- ^ a b Gill, Frank; Donsker, David, eds. (2017). "Tyrant flycatchers". World Bird List Version 7.3. International Ornithologists' Union. Retrieved 9 January 2018.