Red Book of Endangered Languages, a comprehensive list of the world's languages facing extinction (2009) Red Book of Ukraine, a list of endangered animals and plants that live in Ukraine; Manuscripts. Red Book of the Exchequer, a 13th-century manuscript in England; Red Book of Hergest, a medieval Welsh manuscript

The International Union for Conservation of Nature (IUCN) Red List of Threatened Species, also known as the IUCN Red List or Red Data Book, founded in 1964, is the world's most comprehensive inventory of the global conservation status of biological species. It uses a set of precise criteria to evaluate the extinction risk of thousands of species and subspecies.

A book is a medium for recording information in the form of writing or images, typically composed of many pages (made of papyrus, parchment, vellum, or paper) bound together and protected by a cover. The technical term for this physical arrangement is codex (plural, codices).In the history of hand-held physical supports for extended written compositions or records, the codex …

Some languages treat some or all of the following in similar ways: empty strings, null references, the integer 0, the floating point number 0, the Boolean value false, the ASCII character NUL, or other such values. The empty string is usually represented similarly to other strings.

The International Red Cross and Red Crescent Movement is a humanitarian movement with approximately 97 million volunteers, members and staff worldwide.It was founded to protect human life and health, to ensure respect for all human beings, and to prevent and alleviate human suffering. Within it there are three distinct organisations that are legally independent from each …

The red wolf (Canis rufus) is a canine native to the southeastern United States.Its size is intermediate between the coyote (Canis latrans) and gray wolf (Canis lupus).. The red wolf's taxonomic classification as being a separate species, a subspecies of the gray wolf Canis lupus rufus, or a coywolf (a genetic admixture of wolf and coyote) has been contentious for nearly a …

The red-eared slider or red-eared terrapin (Trachemys scripta elegans) is a subspecies of the pond slider (Trachemys scripta), a semiaquatic turtle belonging to the family Emydidae.It is the most popular pet turtle in the United States, is also popular as a pet across the rest of the world, and is the most invasive turtle. It is the most commonly traded turtle in the world.

The red-headed woodpecker (Melanerpes erythrocephalus) is a mid-sized woodpecker found in temperate North America.Its breeding habitat is open country across southern Canada and the east-central United States.It is rated as least concern on the International Union for Conservation of Nature (IUCN)'s Red List of Endangered species, having been down-listed from near …

An endangered language or moribund language is a language that is at risk of disappearing as its speakers die out or shift to speaking other languages. Language loss occurs when the language has no more native speakers and becomes a "dead language".If no one can speak the language at all, it becomes an "extinct language".A dead language may still be studied through …

The red hartebeest is known to move across large areas, and females roam home ranges of over 1,000 km 2 (390 sq mi), with male territories 200 km 2 (77 sq mi) in size. Females in the Nairobi National Park (Kenya) have individual home ranges stretching over 3.7–5.5 km 2 ( 1 + 3 ⁄ 8 – 2 + 1 ⁄ 8 sq mi), which are not particularly associated with any one female group.