The Madeiran scops owl (''Otus mauli'') is a small

extinct Extinction is the termination of a kind of organism or of a group of kinds (taxon), usually a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and ...

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 ...

that once inhabited the island of

Madeira ) , anthem = ( en, "Anthem of the Autonomous Region of Madeira") , song_type = Regional anthem , image_map=EU-Portugal_with_Madeira_circled.svg , map_alt=Location of Madeira , map_caption=Location of Madeira , subdivision_type=Sovereign st ...

in the

Macaronesia Macaronesia (Portuguese: ''Macaronésia,'' Spanish: ''Macaronesia'') is a collection of four volcanic archipelagos in the North Atlantic, off the coasts of Africa and Europe. Each archipelago is made up of a number of List of islands in the At ...

n archipelago off the north-west coast of Africa in the

North Atlantic Ocean The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth's surface and about 29% of its water surface area. It is known to separate the "Old World" of Africa, Europe an ...

History

Fossil A fossil (from Classical Latin , ) is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved ...

bones of the owl were found in

Quaternary The Quaternary ( ) is the current and most recent of the three periods of the Cenozoic Era in the geologic time scale of the International Commission on Stratigraphy (ICS). It follows the Neogene Period and spans from 2.58 million years ...

sites on Madeira. It is the first extinct owl species to be described from Macaronesia. The describers suggest that the most likely cause of extinction was human settlement in the early 15th century, with its associated

habitat destruction Habitat destruction (also termed habitat loss and habitat reduction) is the process by which a natural habitat becomes incapable of supporting its native species. The organisms that previously inhabited the site are displaced or dead, thereby ...

and the introduction of alien species. Similar, though more fragmentary, remains were also found on the neighbouring island of

Porto Santo Porto Santo Island () is a Portuguese island northeast of Madeira Island in the North Atlantic Ocean; it is the northernmost and easternmost island of the archipelago of Madeira, located in the Atlantic Ocean west of Europe and Africa. The muni ...

, which may be of the same, or a closely related, species.

Description

The owl was similar in size to the

Eurasian scops owl The Eurasian scops owl (''Otus scops''), also known as the European scops owl or just scops owl, is a small owl in the typical owl family Strigidae. Its breeding range extends from southern Europe eastwards to southern Siberia and the western Hima ...

, though the leg bones were longer. Estimates of its body weight and

wing loading In aerodynamics, wing loading is the total mass of an aircraft or flying animal divided by the area of its wing. The stalling speed of an aircraft in straight, level flight is partly determined by its wing loading. An aircraft or animal with a ...

suggest that it was largely ground-dwelling. The extinct

São Miguel scops owl The São Miguel scops owl (''Otus frutuosoi'') is a small extinct owl that once inhabited the island of São Miguel, in the Macaronesian archipelago of the Azores, in the North Atlantic Ocean. Its scientific specific name honours the 16th-centur ...

was similar but differs from the Madeiran species by the smaller size of many of its bones, especially the

ulna The ulna (''pl''. ulnae or ulnas) is a long bone found in the forearm that stretches from the elbow to the smallest finger, and when in anatomical position, is found on the medial side of the forearm. That is, the ulna is on the same side of t ...

and

tibiotarsus The tibiotarsus is the large bone between the femur and the tarsometatarsus in the leg of a bird. It is the fusion of the proximal part of the tarsus with the tibia. A similar structure also occurred in the Mesozoic Heterodontosauridae. These sm ...

References

mauli Mauli was a dynasty of kings that ruled the '' Bhumi Malayu'' or Dharmasraya kingdom, centered in the Batanghari river system (today Jambi and West Sumatra provinces, Sumatra), from the 11th century to the 14th century.Muljana, Slamet, 2006, ''S ...

Birds of Madeira Fossil taxa described in 2012 Holocene extinctions Species made extinct by human activities Extinct birds of Atlantic islands Birds described in 2012 {{Strigiformes-stub