A lunar eclipse is an astronomical event that occurs when the Moon moves into the Earth's shadow, causing the Moon to be darkened. Such an alignment occurs during an eclipse season, approximately every six months, during the full moon phase, when the Moon's orbital plane is closest to the plane of the Earth's orbit.
The Esociformes is a small order of freshwater ray-finned fish, with two families, Umbridae and Esocidae. The pikes of genus Esox give the order its name.
The umbra, penumbra and antumbra are three distinct parts of a shadow, created by any light source after impinging on an opaque object. Assuming no diffraction, for a collimated beam of light, only the umbra is cast.
The rose-ringed parakeet, also known as the ring-necked parakeet, ringneck parrot or the Kramer parrot, is a medium-sized parrot in the genus Psittacula, of the family Psittacidae. It has disjunct native ranges in Africa and the Indian Subcontinent, and is now introduced into many other parts of the world where feral populations have established themselves and are bred for the exotic pet trade.
Psittacula, also known as Afro-Asian ring-necked parrots, is a genus of parrots from Africa and Southeast Asia. It is a widespread group with a clear concentration of species in south Asia, but also with representatives in Africa and the islands of the Indian Ocean. This is the only genus of parrot which has the majority of its species in continental Asia. Of all the extant species only Psittacula calthropae, Psittacula caniceps and Psittacula echo do not have a representative subspecies in any part of mainland continental Asia. The rose-ringed parakeet, Psittacula krameri, is one of the most widely distributed of all parrots.
Grist is an American non-profit online magazine founded in 1999 that publishes environmental news and commentary. Grist's tagline is "Climate. Justice. Solutions." Grist is headquartered in Seattle, Washington, and has about 50 writers and employees. Its CEO is former editor-in-chief Nikhil Swaminathan.
The Zasavica is a bog in the region of Mačva, west central Serbia. It is a major wildlife refuge and one of the last authentically preserved wetlands in Serbia. In the 2000s it became a popular attraction with the successful reintroduction of beavers, which had become extinct on the same land areas 100 years before.
A feral parrot is a parrot that has adapted to life in an ecosystem to which it is not native. The birds are often descended from pets that have escaped or been deliberately released. Many species of parrots are highly social, and like to gather in large flocks. Not all feral parrots are able to adapt to life outside of captivity, although having a pre-existing nearby parrot colony can assist with the adaptation process.
The Simeulue scops owl is an owl species endemic to the island of Simeulue, Indonesia.
Dunajské luhy Protected Landscape Area is one of the youngest of the 14 protected landscape areas in Slovakia. The Landscape Area consists of five separate parts in the Danube Lowland, stretching from Bratislava in the north west, following the Danube and the borders between Slovakia and Hungary to a river island called Veľkolélsky ostrov in Komárno District. The biggest part is Žitný ostrov, the largest river island in Europe.
Pollimyrus is a genus of elephantfishes native to Africa.
Bulimulus sp. nov. 'krameri' is an undescribed species of tropical air-breathing land snail, a pulmonate gastropod mollusk in the subfamily Bulimulinae.
Umbra is a graphics software technology company founded 2007 in Helsinki, Finland. Umbra specializes in occlusion culling, visibility solution technology and provides middleware for video games running on Windows, Linux, iOS, PlayStation 4, Xbox One, PlayStation 3, Xbox 360, Wii U, handheld consoles, and other platforms. In 2021, Amazon acquired Umbra.
Umbridae is a family of ray-finned fish in the order Salmoniformes. The single living genus, Umbra, occupies weed-choked freshwater habitats in eastern North America and eastern Europe. While the family traditionally contained the genera Umbra, Novumbra, and Dallia, recent genetic and paleontological research have recovered this grouping as paraphyletic, with Novumbra and Dallia being moved to the family Esocidae.
Feral parakeets in Great Britain are wild-living, non-native parakeets that are an introduced species into Great Britain. The population mainly consists of rose-ringed parakeets, a non-migratory species of bird native to Africa and the Indian Subcontinent, with a few, small breeding populations of monk parakeets, and other occasional escaped cage birds. The origins of these birds are subject of speculation, but they are generally thought to have bred from birds that escaped from captivity or were released.
The eastern mudminnow is a species of freshwater fish belonging to the family Umbridae. It is native to eastern North America, but has been introduced to Europe. It feeds primarily on insect larvae and other small aquatic invertebrates.
Umbra is a genus of mudminnows native to Europe and North America.
Maiestas krameri is a species of insect from the Cicadellidae family that is endemic to India. It was formerly placed within Recilia, but a 2009 revision moved it to Maiestas.
Recilia is a genus of typical leafhoppers from the family Cicadellidae, recorded mostly from Africa, the West Palaearctic and New Zealand. As of Webb & Viraktamath (2009), the vast majority of former species, includong the zig-zag leafhopper of rice R. dorsalis, are now placed in the genus Maiestas. Before this, the genus was sometimes treated as a subgenus of Deltocephalus, of the same tribe.
The brown meagre or corb is a species of marine ray-finned fish belonging to the family Sciaenidae, the drums and croakers. This species found in, the eastern Atlantic, Mediterranean Sea and Black Sea occurring in shallow waters and sandy bottoms. It is harvested for human consumption, especially in the Mediterranean.
