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653:× 1.0 in) and weigh around 12.5 g (0.44 oz). The eggs are incubated only by the female beginning with the second egg. They hatch asynchronously after 25–32 days. The young are cared for by the female who broods the nestlings for an average of 21 days. The young fledge when aged around 28–33 days and become independent at 5 to 6 weeks.
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The boreal owl is 22–27 cm (8.7–10.6 in) in length and has a wingspan of 50–62 cm (20–24 in). A female is heavier than a male bird and weighs 131–179 g (4.6–6.3 oz) compared with an average of 107 g (3.8 oz) for a male bird. The plumage is brown above, with
652:
They first breed when one year of age. The nest is usually a hole in a tree often that made by a woodpecker, but the birds also readily use nest-boxes. The clutch is usually 3–7 eggs which are laid at 2-day intervals. They are glossy white and measure 33 mm × 26 mm (1.3 in
628:, but in some autumns significant numbers move further south. It is rarely any great distance south of its breeding range, although this is partly due to the problems of detecting this nocturnal owl outside the breeding season when it is not calling.
1324:
593:. The ears are asymmetrical in multiple bones, which affects their hunting success. The sexes are similar in appearance. The plumage of young birds is chocolate brown. The boreal owl's flight is relatively noiseless and straight.
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boreal owls have been known to live up to 16 years. Due to the owl's small stature it is often eaten by other owls and large raptors thus decreasing its average lifespan.
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that is sometimes described as giving the owl a "surprised" expression. The beak is a light yellow, rather than dark like its relative the
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white flecking on the shoulders and whitish underparts with rust-colored streaks. The head is large with yellow eyes and a dull white
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Systema
Naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis
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Handbook of the Birds of Europe the Middle East and North Africa. The Birds of the
Western Palearctic
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This article is about the owl species. For the women's national football team of
Finland, see
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902:(in Latin). Vol. 1 (10th ed.). Holmiae (Stockholm): Laurentii Salvii. p. 93.
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1231:. Vol. IV: Terns to Woodpeckers. Oxford: Oxford University Press. pp. 606–616.
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Skizzirte
Entwickelungs-Geschichte und natürliches System der europäischen Thierwelt
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713:) and other invertebrates. In North America, they have been observed preying on
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National
Audubon Society Field Guide to North American Birds: Eastern Region
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Due to the boreal owl's shyness and evasive reaction to human activities,
371:. It is known as the boreal owl in North America and as Tengmalm's owl in
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922:(in German). Vol. c. 1. Darmstadt: Carl Wilhelm Leske. p. 34.
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Its call is similar in sound to the "winnowing" of the North
American
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Whose bird?: Men and women commemorated in the common names of birds
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Svensson, Lars; Mullarney, Killian; Zetterström, Dan (2009).
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that was introduced in 1829 by the German naturalist
1010:(2nd ed.). London: HarperCollins. p. 226.
436:. The Eurasian scops owl is now placed in the genus
420:. Linnaeus placed it with all the other owls in the
1791:
1343:
1067:Alaska Department of Fish and Game The Boreal Owl.
465:meaning "a bird of ill omen". The specific epithet
802:10.2305/IUCN.UK.2021-3.RLTS.T22689362A201898946.en
612:forests across northern North America and the
539:(Buturlin, 1910) – southeast and south Siberia
394:forest habitat, it is rarely seen by humans.
8:
972:The Helm Dictionary of Scientific Bird Names
567:, 1928 – northwest India to southwest China
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1047:. New York: Alfred A. Knopf. p. 554.
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379:or, more rarely, Richardson's owl after
1277:Integrated Taxonomic Information System
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491:, north Canada and north United States
1162:"Boreal Owl | the Peregrine Fund"
1148:"Boreal Owl | the Peregrine Fund"
1134:"Boreal Owl | the Peregrine Fund"
868:Beolens, Bo; Watkins, Michael (2003).
1100:
1030:
974:. London: Christopher Helm. pp.
951:. International Ornithologists' Union
931:
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616:, and in mountain ranges such as the
7:
1835:5BABFCB1-F2B6-4611-AC8B-41D0BECCE190
1563:9a113080-7616-40bc-8f35-f712bd2be8af
1858:IUCN Red List least concern species
1081:"Boulder County Nature Association"
788:IUCN Red List of Threatened Species
549:, 1908) – west and central Siberia
25:
1196:"Aegolius funereus (Boreal owl)"
1176:"Aegolius funereus (Boreal owl)"
1114:"Aegolius funereus (Boreal owl)"
949:IOC World Bird List Version 12.1
125:
56:Amherst Island, Ontario, Canada
1298:Field Guide: Birds of the World
777:BirdLife International (2021).
624:. This species is not normally
608:The boreal owl breeds in dense
258:
1:
469:is Latin meaning "funereal".
1599:boreal-owl-aegolius-funereus
1327:at VIREO (Drexel University)
1070:, Retrieved on May 10, 2013.
733:. Birds preyed upon include
1878:Taxa named by Carl Linnaeus
661:This small owl eats mainly
446:with the boreal owl as the
390:and preferred inaccessible
1894:
970:Jobling, James A. (2010).
406:by the Swedish naturalist
29:
795:: e.T22689362A201898946.
731:northern flying squirrels
715:southern red-backed voles
580:Juvenile at Innsbruck Zoo
458:, the word came from the
375:after Swedish naturalist
367:in the "true owl" family
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122:Scientific classification
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1325:Boreal Owl photo gallery
1260:Internet Bird Collection
604:Distribution and habitat
1873:Birds described in 1758
943:, eds. (January 2022).
727:northern pocket gophers
1043:Bull, Farrand (1994).
649:
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1737:Paleobiology Database
719:western heather voles
644:
591:northern saw-whet owl
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377:Peter Gustaf Tengmalm
324:(Linnaeus, 1758)
313:Cryptoglaux tengmalmi
1558:Fauna Europaea (new)
1201:Animal Diversity Web
1181:Animal Diversity Web
1119:Animal Diversity Web
824:"Appendices | CITES"
530:, 1907) – northeast
450:. The genus name is
1309:"Aegolius funereus"
1103:, pp. 613–614.
851:"Aegolius funereus"
555:(Buturlin, 1907) –
503:nominate subspecies
402:The boreal owl was
381:Sir John Richardson
332:Linnaeus, 1758
316:(Gmelin, 1788)
308:(Gmelin, 1788)
75:Conservation status
18:Tengmalm's Owl
1255:"Boreal Owl media"
1008:Collins Bird Guide
939:; Donsker, David;
914:Kaup, Johann Jakob
650:
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557:Caucasus Mountains
519:Caucasus Mountains
509:down south to the
404:formally described
289: Non-breeding
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1781:Aegolius-funereus
1724:Open Tree of Life
1485:aegolius-funereus
1400:Aegolius_funereus
1375:Aegolius funereus
1345:Aegolius funereus
1337:Taxon identifiers
1292:Aegolius funereus
1271:Aegolius funereus
1238:978-0-19-857507-8
1227:Tengmalm's Owl".
1225:Aegolius funereus
1017:978-0-00-726814-6
989:978-1-4081-2501-4
941:Rasmussen, Pamela
781:Aegolius funereus
701:as well as small
476:are recognised:
444:Johann Jakob Kaup
356:Aegolius funereus
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340:Gmelin, 1788
305:Nyctala tengmalmi
231:Aegolius funereus
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657:Food and feeding
647:Museum Wiesbaden
645:Egg, Collection
513:and east to the
481:A.f. richardsoni
388:nocturnal habits
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562:A.f. beickianus
553:A.f. caucasicus
429:and coined the
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1659:NatureServe
1607:iNaturalist
1369:Wikispecies
1282:24 February
937:Gill, Frank
808:12 November
587:facial disc
572:Description
524:A.f. magnus
507:Scandinavia
456:screech owl
363:is a small
277:A. funereus
251:Subspecies
108:Appendix II
42:Boreal owl
1852:Categories
1808:Q122583687
1776:Xeno-canto
1586:boreal-owl
1101:Cramp 1985
1031:Cramp 1985
879:0713666471
833:2022-01-14
764:References
703:amphibians
665:and other
614:Palearctic
610:coniferous
565:Stresemann
501:, 1758) –
487:, 1838) –
474:subspecies
351:boreal owl
828:cites.org
753:Mortality
747:nocturnal
709:(such as
679:squirrels
675:chipmunks
669:(such as
632:Behaviour
626:migratory
485:Bonaparte
369:Strigidae
275:Range of
207:Species:
189:Strigidae
145:Kingdom:
139:Eukaryota
1863:Aegolius
1802:Wikidata
1750:Species+
1664:2.105053
1651:22689362
1625:10719546
1511:45510747
1436:22689362
1431:BirdLife
1420:BioLib:
1354:Wikidata
916:(1829).
896:(1758).
677:, other
637:Breeding
620:and the
528:Buturlin
511:Pyrenees
499:Linnaeus
467:funereus
463:aigĹŤlios
439:Aegolius
398:Taxonomy
296:Synonyms
239:Linnaeus
200:Aegolius
185:Family:
159:Chordata
155:Phylum:
149:Animalia
135:Domain:
95:IUCN 3.1
1830:ZooBank
1822:7580986
1716:1629498
1576:5739298
1408:Avibase
1360:Q174466
1313:Avibase
1213:Sources
1086:May 10,
955:2 March
855:Avibase
711:beetles
707:insects
683:gophers
667:mammals
622:Rockies
547:Schalow
532:Siberia
505:, from
414:of his
257:7, see
195:Genus:
175:Order:
165:Class:
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1729:735586
1690:103375
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1459:borowl
1388:borowl
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1519:EUNIS
1493:eBird
1472:658RG
1456:BOW:
699:birds
687:moles
663:voles
515:Urals
452:Latin
426:Strix
422:genus
392:taiga
359:) or
112:CITES
106:CITES
1817:GBIF
1768:1192
1755:3885
1711:OBIS
1685:NCBI
1646:IUCN
1633:ITIS
1571:GBIF
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1449:9493
1444:BOLD
1423:8774
1284:2009
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957:2022
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741:and
729:and
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693:and
671:mice
618:Alps
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259:text
243:1758
169:Aves
1763:TSA
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1524:850
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1480:CMS
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1301:on
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