The Andean pygmy owl (''Glaucidium jardinii'') is a species of
owl
Owls are birds from the order Strigiformes (), which includes over 200 species of mostly solitary and nocturnal birds of prey typified by an upright stance, a large, broad head, binocular vision, binaural hearing, sharp talons, and feathers a ...
in the family
Strigidae
The true owls or typical owls (family Strigidae) are one of the two generally accepted families of owls, the other being the barn owls (Tytonidae). This large family comprises 230 living or recently extinct species in 24 genera. The typical ow ...
. It is found in
Colombia,
Ecuador
Ecuador ( ; ; Quechuan languages, Quechua: ''Ikwayur''; Shuar language, Shuar: ''Ecuador'' or ''Ekuatur''), officially the Republic of Ecuador ( es, República del Ecuador, which literally translates as "Republic of the Equator"; Quechuan ...
,
Peru
, image_flag = Flag of Peru.svg
, image_coat = Escudo nacional del Perú.svg
, other_symbol = Great Seal of the State
, other_symbol_type = Seal (emblem), National seal
, national_motto = "Fi ...
, and
Venezuela
Venezuela (; ), officially the Bolivarian Republic of Venezuela ( es, link=no, República Bolivariana de Venezuela), is a country on the northern coast of South America, consisting of a continental landmass and many islands and islets in ...
.
Taxonomy and systematics
The Andean pygmy owl is
monotypic
In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispec ...
.
[
]
Description
The Andean pygmy owl is long. Males weigh and females . It has two distinct color morphs; in one the head, most of the body, wings, and tail are dull dark brown with white markings and in the other the same areas are dark chestnut with buff markings. In both the crown has small white dots. They have white "brows" over yellow eyes, white "moustaches", and a broad white throat. Their nape has a black and white face-like pattern. Their backs have spots and the tail bars, white or buff respectively. The sides of the breast are dark brown or chestnut with pale markings; the white breast and belly have heavy dark brown or chestnut streaks.[Holt, D. W., R. Berkley, C. Deppe, P. L. Enríquez, J. L. Petersen, J. L. Rangel Salazar, K. P. Segars, K. L. Wood, and J. S. Marks (2020). Andean Pygmy-Owl (''Glaucidium jardinii''), version 1.0. In Birds of the World (J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie, and E. de Juana, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.anpowl1.01 retrieved September 5, 2021]
Distribution and habitat
The Andean pygmy owl is found in far western Venezuela and the central and western Andes of Colombia south through Ecuador to central Peru. It inhabits a variety of mountain landscapes including cloudforest
A cloud forest, also called a water forest, primas forest, or tropical montane cloud forest (TMCF), is a generally tropical or subtropical, evergreen, montane, moist forest characterized by a persistent, frequent or seasonal low-level cloud ...
, elfin forest
Dwarf forest, elfin forest, or pygmy forest is an uncommon ecosystem featuring miniature trees, inhabited by small species of fauna such as rodents and lizards. They are usually located at high elevations, under conditions of sufficient air humi ...
, ''Polylepis
''Polylepis'' is a genus comprising 28 recognised shrub and tree species, that are endemic to the mid- and high-elevation regions of the tropical Andes. This group is unique in the rose family in that it is predominantly wind-pollinated. They are ...
'' woodland, and sometimes more open landscapes like forest edge and pastures with scattered trees. It is found from the middle levels of the forest to the canopy. In elevation it ranges from about in Colombia and somewhat higher in Venezuela, Ecuador, and Peru.[
]
Behavior
Feeding
The Andean pygmy owl is active both day and night. Its diet is invertebrate
Invertebrates are a paraphyletic group of animals that neither possess nor develop a vertebral column (commonly known as a ''backbone'' or ''spine''), derived from the notochord. This is a grouping including all animals apart from the chordate ...
s, small birds, and small mammals.[
]
Breeding
The Andean pygmy owl's breeding phenology
Phenology is the study of periodic events in biological life cycles and how these are influenced by seasonal and interannual variations in climate, as well as habitat factors (such as elevation).
Examples include the date of emergence of leav ...
is poorly known. It nests in tree cavities such as old woodpecker holes. The clutch size is usually three.[
]
Vocalization
The Andean pygmy owl's song is a "long series of rapidly delivered, evenly spaced 'poop' notes" that is sometimes preceded by two whistles.[
]
Status
The IUCN has assessed the Andean pygmy owl as being of Least Concern
A least-concern species is a species that has been categorized by the International Union for Conservation of Nature (IUCN) as evaluated as not being a focus of species conservation because the specific species is still plentiful in the wild. Th ...
.[ Though its population size is not known, the species is "considered fairly common". It has a large range that includes several protected areas. However, it is "probably vulnerable to forest destruction."][
]
References
{{Taxonbar, from=Q490242
Andean pygmy owl
Birds of the Northern Andes
Andean pygmy owl
Andean pygmy owl
Taxonomy articles created by Polbot