Once grouped with the Venezuelan Tyrannulet. Once called the Speious Tyrannulet. One of my favorite photos from Perijá; for some reason the Santa Marta race, one of two, seems very uncommon.
(Sclater, PL & Salvin, 1871): NOTE(AS,ENG: Zimmerius improbus is split from Z. vilissimus (Ridgely & Tudor 1994; Hilty 2003; Fitzpatrick 2004; Rheindt et al. 2013; SACC [441], 741). Change (8.2) provisional English name 'Specious' Tyrannulet to Spectacled
German
Küstenkordilleren-Kleintyrann
French
Tyranneau trompeur
Chinese
华丽小霸鹟
Japanese
メガネコタイランチョウ
Russian
Невзрачный карликовый тиранн
Spanish
Mosquerito serrano
Portuguese
poaieiro-serrano
Bird Data App text
Once called the [Venezuelan Tyrannulet], but those in the Santa Marta and Perija mountain ranges are now called Specious Tyrannulet or Spectacled Tyrannulet. Found at higher altitudes than other Zimmerius in its range ([Golden-faced Tyrannulet] and [Coopmans's Tyrannulet]).
Africa (entire continent rather than south of Sahara)
AN
Antarctica
AO
Atlantic Ocean
AU
Australasia (Wallacea (Indonesian islands east of Wallace's line), New Guinea and its islands, Australia, New Zealand and its subantarctic islands, the Solomons, New Caledonia, and Vanuatu)
PAL
Eurasia (Europe, Asia from the Middle East through central Asia north of the Himalayas, Siberia and northern China to Japan)
IO
Indian Ocean
LA
Latin America (Middle and South America)
MA
Middle America (Mexico through Panama)
NA
North America (includes the Caribbean)
NO
Northern oceans
OR
Oriental Region (South Asia from Pakistan to Taiwan, plus Southeast Asia, the Philippines, and Greater Sundas)