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White-faced Owl
''Ptilopsis'' is a genus of typical owls, or true owls, in the family Strigidae, that inhabits Africa Africa is the world's second-largest and second-most populous continent after Asia. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 20% of Earth's land area and 6% of its total surfac .... Its members are: References * Barlow, Wacher and Disley, ''Birds of The Gambia'' {{Taxonbar, from=Q1070928 Ptilopsis ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Northern White-faced Owl
The northern white-faced owl (''Ptilopsis leucotis'') is a species of owl in the family Strigidae. The southern white-faced owl (''P. granti'') was formerly included in this species and the two were known as the white-faced scops-owl. It is found in a band across Africa between the Sahara and the Equator. It occurs in Benin, Burkina Faso, Cameroon, Central African Republic, Chad, Republic of the Congo, Ivory Coast, Djibouti, Eritrea, Ethiopia, Gambia, Ghana, Guinea, Guinea-Bissau, Kenya, Liberia, Mali, Mauritania, Niger, Nigeria, Senegal, Sierra Leone, Somalia, Sudan, Togo and Uganda. Fight-or-flight response This owl has a rather notable defense mechanism. When faced with a similar-sized predator (like another owl slightly larger than it), the bird flares its wings to appear larger. When faced with something much larger than itself (such as an eagle), it pulls its feathers inwards, elongates its body, and narrows its eyes to thin slits. It is thought that it uses this ability ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Johann Jakob Kaup
Johann Jakob von Kaup (10 April 1803 – 4 July 1873) was a German naturalist. A proponent of natural philosophy, he believed in an innate mathematical order in nature and he attempted biological classifications based on the Quinarian system. Kaup is also known for having coined popular prehistoric taxa like ''Pterosauria'', ''Machairodus'', ''Deinotherium'', ''Dorcatherium'', and ''Chalicotherium''. Biography He was born at Darmstadt. After studying at Göttingen and Heidelberg he spent two years at Rijksmuseum van Natuurlijke Historie, Leiden, where his attention was specially devoted to the amphibians and fishes. He then returned to Darmstadt as an assistant in the grand ducal museum, of which in 1840 he became inspector. In 1829 he published ''Skizze zur Entwickelungsgeschichte der europäischen Thierwelt'', in which he regarded the animal world as developed from lower to higher forms, from the amphibians through the birds to the beasts of prey; but subsequently he repudiated ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Typical Owls
The true owls or typical owls (family Strigidae) are one of the two generally accepted families of owls, the other being the barn owls and bay owls (Tytonidae). This large family comprises 230 living or recently extinct species in 24 genera. The Strigidae owls have a cosmopolitan distribution and are found on every continent except Antarctica. Morphology While typical owls (hereafter referred to simply as owls) vary greatly in size, with the smallest species, the elf owl, being a hundredth the size of the largest, the Eurasian eagle-owl and Blakiston's fish owl, owls generally share an extremely similar body plan.Marks, J. S.; Cannings, R.J. and Mikkola, H. (1999). "Family Strigidae (Typical Owls)". ''In'' del Hoyo, J.; Elliot, A. & Sargatal, J. (eds.) (1999). ''Handbook of the Birds of the World. Volume 5: Barn-Owls to Hummingbirds.'' Lynx Edicions. They tend to have large heads, short tails, cryptic plumage, and round facial discs around the eyes. The family is generally ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Strigidae
The true owls or typical owls (family (biology), family Strigidae) are one of the two generally accepted families of owls, the other being the barn owls and bay owls (Tytonidae). This large family comprises 230 living or recently extinct species in 24 genus, genera. The Strigidae owls have a cosmopolitan distribution and are found on every continent except Antarctica. Morphology While typical owls (hereafter referred to simply as owls) vary greatly in size, with the smallest species, the elf owl, being a hundredth the size of the largest, the Eurasian eagle-owl and Blakiston's fish owl, owls generally share an extremely similar body plan.Marks, J. S.; Cannings, R.J. and Mikkola, H. (1999). "Family Strigidae (Typical Owls)". ''In'' del Hoyo, J.; Elliot, A. & Sargatal, J. (eds.) (1999). ''Handbook of the Birds of the World. Volume 5: Barn-Owls to Hummingbirds.'' Lynx Edicions. They tend to have large heads, short tails, cryptic plumage, and round facial discs around the eyes. Th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Africa
Africa is the world's second-largest and second-most populous continent after Asia. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 20% of Earth's land area and 6% of its total surface area.Sayre, April Pulley (1999), ''Africa'', Twenty-First Century Books. . With nearly billion people as of , it accounts for about of the world's human population. Demographics of Africa, Africa's population is the youngest among all the continents; the median age in 2012 was 19.7, when the worldwide median age was 30.4. Based on 2024 projections, Africa's population will exceed 3.8 billion people by 2100. Africa is the least wealthy inhabited continent per capita and second-least wealthy by total wealth, ahead of Oceania. Scholars have attributed this to different factors including Geography of Africa, geography, Climate of Africa, climate, corruption, Scramble for Africa, colonialism, the Cold War, and neocolonialism. Despite this lo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ptilopsis Leucotis
The northern white-faced owl (''Ptilopsis leucotis'') is a species of owl in the family Strigidae. The southern white-faced owl (''P. granti'') was formerly included in this species and the two were known as the white-faced scops-owl. It is found in a band across Africa between the Sahara and the Equator. It occurs in Benin, Burkina Faso, Cameroon, Central African Republic, Chad, Republic of the Congo, Ivory Coast, Djibouti, Eritrea, Ethiopia, Gambia, Ghana, Guinea, Guinea-Bissau, Kenya, Liberia, Mali, Mauritania, Niger, Nigeria, Senegal, Sierra Leone, Somalia, Sudan, Togo and Uganda. Fight-or-flight response This owl has a rather notable defense mechanism. When faced with a similar-sized predator (like another owl slightly larger than it), the bird flares its wings to appear larger. When faced with something much larger than itself (such as an eagle), it pulls its feathers inwards, elongates its body, and narrows its eyes to thin slits. It is thought that it uses this ability ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Southern White-faced Owl
The Southern white-faced owl (''Ptilopsis granti'') is a fairly small owl in the family Strigidae. It is native to the southern half of Africa. It was formerly regarded as a subspecies of the northern white-faced owl (''P. leucopsis'') but the two are now commonly treated as separate species. Description It is long and weighs . The upperparts are grey with dark streaks and there are white spots on the scapular feathers. The underparts are whitish with dark streaks. The face is white with a black border and black around the large orange eyes. The head has two short ear-tufts with black tips. Juvenile birds have a greyish face. The northern white-faced owl is usually paler and browner with reduced streaking below. Their call is a series of fast, bubbling hoots, uttered at night and frequently repeated. These fast, staccato notes followed by a longer and higher-pitched ‘hoot’ are extensively used during breeding season and pairs of owls often sing together. The Northern whit ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ptilopsis
''Ptilopsis'' is a genus of typical owls, or true owls, in the family Strigidae, that inhabits Africa Africa is the world's second-largest and second-most populous continent after Asia. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 20% of Earth's land area and 6% of its total surfac .... Its members are: References * Barlow, Wacher and Disley, ''Birds of The Gambia'' {{Taxonbar, from=Q1070928 Ptilopsis ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
