Animalia > Chordata > Aves > Strigiformes > Strigidae > Megascops > Megascops asio

Megascops asio (Eastern Screech-Owl; Eastern Screech Owl; petit-duc maculé; Tecolote oriental)

Synonyms: Otus asio; Strix asio

Wikipedia Abstract

The eastern screech owl or eastern screech-owl (Megascops asio) is a small owl that is relatively common in Eastern North America, from Mexico to Canada. This species is native to most wooded environments of its distribution and, more so than any other owl in its range, has adapted well to manmade development, although it frequently avoids detection due to its strictly nocturnal habits.
View Wikipedia Record: Megascops asio

Infraspecies

Megascops asio asio
Megascops asio floridanus
Megascops asio hasbroucki
Megascops asio maxwelliae
Megascops asio mccallii
Megascops asio naevius

EDGE Analysis

Uniqueness Scale: Similiar (0) 
3
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
21
 Unique & Vulnerable (100)
ED Score: 7.49056
EDGE Score: 2.13896
Learn more at EDGE of Existence programme

Attributes

Adult Weight [1]  180 grams
Birth Weight [3]  11 grams
Female Weight [5]  184 grams
Male Weight [5]  160 grams
Weight Dimorphism [5]  15 %
Breeding Habitat [2]  Temperate eastern forests, Tropical dry forests
Wintering Geography [2]  Non-migrartory
Wintering Habitat [2]  Temperate eastern forests, Tropical dry forests
Diet [4]  Carnivore (Invertebrates), Carnivore (Vertebrates)
Diet - Invertibrates [4]  50 %
Diet - Vertibrates [4]  50 %
Forages - Mid-High [4]  10 %
Forages - Understory [4]  10 %
Forages - Ground [4]  70 %
Forages - Water Surface [4]  10 %
Clutch Size [6]  4
Clutches / Year [3]  1
Fledging [1]  28 days
Global Population (2017 est.) [2]  710,000
Incubation [3]  29 days
Maximum Longevity [3]  21 years
Nocturnal [4]  Yes
Raptor Research Conservation Priority [7]  130
Snout to Vent Length [1]  8 inches (21 cm)
Female Maturity [3]  1 year
Male Maturity [3]  1 year

Ecoregions

Protected Areas

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Prey / Diet

Prey / Diet Overlap

Predators

Consumers

Range Map

External References

NatureServe Explorer

Audio

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Provided by Center for Biological Diversity via Myxer Author: Tony Phillips / SUNY Stony Brook

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
♦ 2Partners in Flight Avian Conservation Assessment Database, version 2017. Accessed on January 2018.
♦ 3de Magalhaes, J. P., and Costa, J. (2009) A database of vertebrate longevity records and their relation to other life-history traits. Journal of Evolutionary Biology 22(8):1770-1774
♦ 4Hamish 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
♦ 5Kemp, AC. 1989. Estimation of Biological Indices for Little-known African Owls Meyburg, B.-U & R. D. Chancellor eds. 1989 Raptors in the Modern World WWGBP: Berlin, London & Paris
♦ 6Jetz 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
♦ 7Buechley 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
♦ 8Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014). Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics.
♦ 9Blarina brevicauda, Sarah B. George, Jerry R. Choate, and Hugh H. Genoways, MAMMALIAN SPECIES No. 261, pp. 1-9 (1986)
♦ 10Blarina carolinensis, Timothy S. McCay, MAMMALIAN SPECIES No. 673, pp. 1–7 (2001)
♦ 11Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2006. The Animal Diversity Web (online). Accessed February 01, 2010 at animaldiversity.org
♦ 12Microtus pinetorum, Michael J. Smolen, Mammalian Species No. 147, pp. 1-7 (1981)
♦ 13Myotis sodalis, Christine E. Thomson, Mammalian Species No. 163, pp. 1-5 (1982)
♦ 14Napaeozapus insignis, John O. Whitaker, Jr., and Robert E. Wrigley, MAMMALIAN SPECIES No. 14, pp. 1-6 (1972)
♦ 15Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005). Host-Parasite Database of the Natural History Museum, London
♦ 16International Flea Database
Ecoregions provided by World Wide Fund For Nature (WWF). WildFinder: Online database of species distributions, ver. 01.06 Wildfinder Database
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