Photo credits
All {len(IMG)} photos are free-licensed from Wikimedia Commons and used under their stated licences. Species were checked against each file’s Commons categories. Images are resized; no other changes were made.
Flying owl.jpg
by Jürgen from Sandesneben, Germany · CC BY 2.0
Commons categories include: FlickrLickr images, Flickr images missing SDC creator, Flickr images reviewed by trusted users
Barn Owl Fun.jpg
by Steven Ward · CC BY 2.0
Commons categories include: Birds of Lancashire, Flickr images missing SDC published in, Flickr images reviewed by FlickreviewR
Tyto alba (Scopoli, 1769).jpg
by Michael Gäbler · CC BY 3.0
Commons categories include: Birds in April 2012, Birds in Wildpark Lüneburger Heide, Lower Saxony photographs taken on 2012-04-30
Owlets - Flickr - 5thLargestinAfrica.jpg
by 5thLargestinAfrica · CC BY 2.0
Commons categories include: 5 birds, Birds of Riverside County, California, Flickr files uploaded by Red panda bot
Strix varia DM2.jpg
by Cephas · CC BY-SA 3.0
Commons categories include: Birds of Quebec City, Canada photographs taken on 2011-02-22, Domaine de Maizerets
Bubo blakistoni.jpg
by Tokumi · Public domain
Commons categories include: Birds in November 2013, Birds of Hokkaido, Bubo blakistoni
Aegolius funereus funereus (Tengmalm's Owl), Lindberg, Germany 1.jpg
by Christoph Moning · CC BY 4.0
Commons categories include: Aegolius funereus, Germany photographs taken on 2010-05-08, INaturalist images reviewed by iNaturalistReviewBot
Athene cunicularia 1 edited.JPG
by Wagner Machado Carlos Lemes from Goiânia, Brazil · CC BY 2.0
Commons categories include: Athene cunicularia, Brazil photographs taken on 2009-12-12, Extracted images
Eurasian eagle-owl (44088).jpg
by Rhododendrites · CC BY-SA 4.0
Commons categories include: Aves heads in anterior aspect, Bubo bubo (captive), Photographs taken by Rhododendrites - Raptor Fest
Elf Owl (Micrathene whitneyi) (17210856942).jpg
by Dominic Sherony · CC BY-SA 2.0
Commons categories include: Flickr images reviewed by FlickreviewR, Micrathene whitneyi, Photographs by Dominic Sherony
Glaucidium passerinum 266487182.jpg
by Tomas Broucek · CC BY 4.0
Commons categories include: Czech Republic photographs taken on 2023-04-09, Glaucidium passerinum, INaturalist images reviewed by iNaturalistReviewBot
Otus scops botanical garden.jpg
by Carpodacus · CC BY-SA 4.0
Commons categories include: Birds in Tashkent botanical garden, Images from Wiki Loves Earth 2025, Images from Wiki Loves Earth 2025 in Uzbekistan
Barn Owl Face (17060875652).jpg
by Eric Kilby from Somerville, MA, USA · CC BY-SA 2.0
Commons categories include: Flickr images reviewed by FlickreviewR, Tyto furcata in Stone Zoo
Forest Owlet (Athene blewitti) by Saswat Mishra.jpg
by Saswat Mishra · CC BY-SA 4.0
Commons categories include: Athene blewitti
Rough grassland - geograph.org.uk - 5846884.jpg
by N Chadwick · CC BY-SA 2.0
Commons categories include: Images from Geograph Britain and Ireland, Runcton Holme, Stow Bardolph
Strix nebulosa CT.jpg
by Cephas · CC BY-SA 3.0
Commons categories include: Birds of Réserve nationale de faune du Cap-Tourmente, Canada photographs taken on 2013-02-10, February 2013 in Quebec
20260808 great horned owl cedar hill cemetery PD03701.jpg
by Paul Danese · CC BY-SA 4.0
Commons categories include: Bubo virginianus, Cedar Hill Cemetery (Hartford, Connecticut)
Sceloglaux albifacies - Naturhistorisches Museum, Braunschweig, Germany - DSC05196.JPG
by Daderot · CC0
Commons categories include: Ninox albifacies, Taxidermy in the Naturhistorisches Museum (Braunschweig)
Long-Eared Owl on Seedskadee NWR (24751540286).jpg
by USFWS Mountain-Prairie · Public domain
Commons categories include: Asio otus, Flickr images reviewed by FlickreviewR, Other photographs uploaded by Rhododendrites - USFWS
Athene noctua - the little owl.jpg
by Artemy Voikhansky · CC BY-SA 4.0
Commons categories include: Athene noctua lilith, Israel photographs taken on 2015-07-11, Strigiformes of Israel
Little owl (Athene noctua),.jpg
by Hobbyfotowiki · CC0
Commons categories include: Athene noctua, Birds of Greece
Athene noctua bird pellets, steenuil braakballen.jpg
by Rasbak · CC BY-SA 3.0
Commons categories include: Athene noctua (museum specimens), GFDL, Owl pellets
Long-eared Owl (1313056033).jpg
by Alastair Rae from London, United Kingdom · CC BY-SA 2.0
Commons categories include: Asio otus, Flickr images reviewed by FlickreviewR, Photographs by Alastair Rae
Barn Owl nest box near Lodge Wood, Drakes Broughton - geograph.org.uk - 6022798.jpg
by Jeff Gogarty · CC BY-SA 2.0
Commons categories include: Drakes Broughton and Wadborough, Images from Geograph Britain and Ireland
Northern hawk owl with pray (Surnia ulula).jpg
by Hobbyfotowiki · CC0
Commons categories include: Birds of Schleswig-Holstein, Surnia ulula
Phodilus badius 86885204.jpg
by ian_dugdale · CC BY 4.0
Commons categories include: INaturalist images reviewed by iNaturalistReviewBot, Phodilus badius, Strigiformes of Thailand
Owl pellet (51652574469).jpg
by gailhampshire · CC BY 2.0
Commons categories include: Flickr images reviewed by FlickreviewR 2, Owl pellets, Photographs by gailhampshire
Pel's fishing owl (Scotopelia peli) male Umkhuse.jpg
by Charles J. Sharp · CC BY-SA 4.0
Commons categories include: Creative Commons Attribution-Share Alike 4.0 missing SDC copyright license, Creative Commons Attribution-Share Alike missing SDC copyright status, Photographs by Charlesjsharp
PH Eagle Owl.jpg
by Aimee Valencia · CC BY-SA 4.0
Commons categories include: Bubo philippensis, Items with VRTS permission confirmed
Ninox strenua 149352521.jpg
by Greg Tasney · CC BY-SA 4.0
Commons categories include: INaturalist images reviewed by iNaturalistReviewBot, Ninox strenua
Aegolius acadicus (Northern Saw-Whet Owl).jpg
by Andy Witchger · CC BY 2.0
Commons categories include: Aegolius acadicus, Flickr images reviewed by FlickreviewR 2, Photographs by Andy Witchger
Asio flammeus Downsview Park Toronto in flight 4.jpg
by Mykola Swarnyk · CC BY-SA 4.0
Commons categories include: Asio flammeus in flight, Birds of Downsview Park, Photographs by Mykola Swarnyk
Short-eared Owl 5.jpg
by Manojkiri photography · CC BY-SA 4.0
Commons categories include: Asio flammeus, Images from Wiki Loves Earth 2026, Images from Wiki Loves Earth 2026 in Kuwait
Skull of great horned owl (Bubo virginianus) in the Alaska Raptor Center.jpg
by Hiart · CC0
Commons categories include: Alaska Raptor Center, Bubo virginianus anatomy, Bubo virginianus heads
Schneeeule Bubo scandiacus Grugapark 2013.jpg
by Tuxyso · CC BY-SA 3.0
Commons categories include: Animals in Grugapark, Bubo scandiacus (captive), Corrected by Jacek Halicki
Pulsatrix perspicillata chapmani (Costa Rica).jpg
by Hans Hillewaert · CC BY-SA 3.0
Commons categories include: Costa Rica photographs taken on 2009-07-23, Information field template with formatting, Photographs by Hans Hillewaert
Spotted Owl Strix occidentalis lucida, Arizona - gailhampshire.jpg
by gailhampshire from Cradley, Malvern, U.K · CC BY 2.0
Commons categories include: Flickr images reviewed by FlickreviewR, Photographs by gailhampshire, Strigidae of Arizona
Strix aluco (Linnaeus, 1758).jpg
by Michael Gäbler · CC BY 3.0
Commons categories include: Birds in Wildpark Lüneburger Heide, Photographs by Michael Gäbler, Strix aluco (captive)
Strix aluco 3young.jpg
by photo taken by Artur Mikołajewski · CC BY-SA 3.0
Commons categories include: GFDL, Strigiformes of Poland, Strix aluco (juvenile)
Tawny owl in a hollow tree (51905630658).jpg
by Andrey Gulivanov · CC BY 2.0
Commons categories include: Flickr images reviewed by FlickreviewR 2, Photographs by Andrey Gulivanov, Russia photographs taken on 2021-10-24
Everything else
- Useless the eraser: artwork © ReallyByte, from reallybyte.com.
- Owl drawings, treeline border, pellet-lab bones and game graphics: drawn for this site.
- Fonts: Fraunces, Figtree and Patrick Hand, all under the SIL Open Font License.