Animalia > Chordata > Aves > Strigiformes > Strigidae > Glaucidium > Glaucidium nana

Glaucidium nana (Austral Pygmy Owl)

Synonyms: Glaucidium nanum; Strix nana

Wikipedia Abstract

The austral pygmy owl (Glaucidium nana) is a species of owl in the family Strigidae.It is found in Argentina and Chile. Its natural habitat is temperate forests.
View Wikipedia Record: Glaucidium nana

EDGE Analysis

Uniqueness Scale: Similiar (0) 
2
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
16
 Unique & Vulnerable (100)
ED Score: 5.18356
EDGE Score: 1.8219
Learn more at EDGE of Existence programme

Attributes

Adult Weight [1]  71 grams
Birth Weight [1]  7 grams
Female Weight [3]  81 grams
Male Weight [3]  67 grams
Weight Dimorphism [3]  20.9 %
Diet [2]  Carnivore (Invertebrates), Carnivore (Vertebrates)
Diet - Ectothermic [2]  10 %
Diet - Endothermic [2]  80 %
Diet - Invertibrates [2]  10 %
Forages - Mid-High [2]  20 %
Forages - Understory [2]  10 %
Forages - Ground [2]  70 %
Clutch Size [5]  4
Clutches / Year [1]  1
Egg Length [1]  1.142 inches (29 mm)
Egg Width [1]  0.906 inches (23 mm)
Fledging [1]  29 days
Incubation [4]  27 days
Nocturnal [2]  Yes
Raptor Research Conservation Priority [6]  79
Snout to Vent Length [1]  7 inches (17 cm)
Wing Span [7]  15 inches (.37 m)
Female Maturity [1]  1 year

Ecoregions

Name Countries Ecozone Biome Species Report Climate Land
Use
Low Monte Argentina Neotropic Temperate Grasslands, Savannas, and Shrublands
Magellanic subpolar forests Chile, Argentina Neotropic Temperate Broadleaf and Mixed Forests
Patagonian steppe Chile, Argentina Neotropic Temperate Grasslands, Savannas, and Shrublands
Southern Andean steppe Argentina, Chile Neotropic Montane Grasslands and Shrublands
Valdivian temperate forests Chile, Argentina Neotropic Temperate Broadleaf and Mixed Forests

Protected Areas

Biodiversity Hotspots

Name Location Endemic Species Website
Chilean Winter Rainfall-Valdivian Forests Chile No

Prey / Diet

Prey / Diet Overlap

Competing SpeciesCommon Prey Count
Accipiter bicolor (Bicolored Hawk)1
Buteo albigula (White-throated Hawk)1

Range Map

External References

Audio

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Provided by Xeno-canto under a Creative Commons BY-NC-ND 2.5 License Author: Bernabe Lopez-Lanus

Citations

Attributes / relations provided by
♦ 1Nathan P. Myhrvold, Elita Baldridge, Benjamin Chan, Dhileep Sivam, Daniel L. Freeman, and S. K. Morgan Ernest. 2015. An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96:3109
♦ 2Hamish Wilman, Jonathan Belmaker, Jennifer Simpson, Carolina de la Rosa, Marcelo M. Rivadeneira, and Walter Jetz. 2014. EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95:2027
♦ 3Jiménez, JE and FM Jaksic. 1989. Biology of the Austral Pygmy-Owl. Wilson Bulletin 101:377–389
♦ 4del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
♦ 5Jetz W, Sekercioglu CH, Böhning-Gaese K (2008) The Worldwide Variation in Avian Clutch Size across Species and Space PLoS Biol 6(12): e303. doi:10.1371/journal.pbio.0060303
♦ 6Buechley ER, Santangeli A, Girardello M, et al. Global raptor research and conservation priorities: Tropical raptors fall prey to knowledge gaps. Divers Distrib. 2019;25:856–869. https://doi.org/10.1111/ddi.12901
♦ 7On the allometry of wings, Enrique Morgado, Bruno Günther and Urcesino Gonzalez, Revista Chilena de Historia Natural 60: 71-79, 1987
Ecoregions provided by World Wide Fund For Nature (WWF). WildFinder: Online database of species distributions, ver. 01.06 Wildfinder Database
Biodiversity Hotspots provided by Critical Ecosystem Partnership Fund
Abstract provided by DBpedia licensed under a Creative Commons License
Audio software provided by SoundManager 2
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0