A rare species is a group of organisms that are very uncommon, scarce, or infrequently encountered. This designation may be applied to either a plant or...

Scarcity Rare species, a conservation category in biology designating the scarcity of an organism and implying a threat to its viability Rare or RARE may also...

'endangered', 'rare', or 'locally extinct' species is often difficult to draw given the general paucity of data on most of these species. This is notably...

Rare Species is the seventh studio album by the Finnish avant-garde metal band Waltari. "One Day" – 4:09 "Life Without Love" – 3:59 "Megacity Rain" – 4:49...

Ring species thus present a difficulty for any species concept that relies on reproductive isolation. However, ring species are at best rare. Proposed...

millions of years. Mass extinctions are relatively rare events; however, isolated extinctions of species and clades are quite common, and are a natural part...

A least-concern species is a species that has been categorized by the International Union for Conservation of Nature (IUCN) as evaluated as not being a...

the IUCN, but adds a "warning list", includes species endangered to an unknown extend, and rare species that are not endangered, but are highly at risk...

A vulnerable species is a species which has been categorized by the International Union for Conservation of Nature as being threatened with extinction...

The Rare Species Conservation Centre (RSCC) was a conservation centre and zoological gardens situated just outside Sandwich in Kent, England, operated...

the IUCN Red List of Threatened Species identified 5220 (2754 animals, 1 fungus, 2464 plant, 1 protist) endangered species, subspecies and varieties, stocks...

An IUCN Red List Critically Endangered (CR or sometimes CE) species is one that has been categorized by the International Union for Conservation of Nature...

own selection of species. For a list of these rare species, and the NVC communities in which they are present, see List of rare species in the British National...

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...

agency in charge of endangered species: the U.S. Fish and Wildlife Service. Controversy is also apparent, though rare, when stakeholders entail activists...

This is a list of Sphenisciformes species by global population. While numbers are estimates, they have been made by the experts in their fields. Sphenisciformes...

are a number of rare species that occur nowhere else but in the inhospitable environment of seasonally flooded playas. A new species of giant fairy shrimp...

rare species to a dataset has little effect on its species diversity. In general, sets with many individuals can be expected to have higher species diversity...

1001127. PMC 3160336. PMID 21886479. McKinney, Michael L. (1997). "How do rare species avoid extinction? A paleontological view". In Kunin, W. E.; Gaston, K...

Turbinicarpus gielsdorfianus, a species of plant in the family Cactaceae. Virginia round-leaf birch (Betula uber), a rare species of tree in the birch family;...

into more species. The extreme opposite of an endemic species is one with a cosmopolitan distribution, having a global or widespread range. A rare alternative...

species in Australia. Another relict from the Triassic is Pholadomya, a common clam genus during the Mesozoic, now confined to a single rare species in...

Version 2014.2 of the IUCN Red List of Threatened Species identified 4574 Critically Endangered species, subspecies, varieties, stocks, and subpopulations...

2013 and the two females gave birth to a total of seven young. Other rare species and subspecies kept in the zoo include: Schmitz's Caracals, Cape Weavers...

Various populations of rare fern exist, although the impact of 19th-century collectors threatened the existence of several species. The flora is generally...

Endangered species, as classified by the International Union for Conservation of Nature (IUCN), are species which have been categorized as very likely...

The plant species reported are 28 listed in the Mongolian Red Book, 15 very rare species, and 28 species listed as rare species. The species listed in...

the bird and mammal species and subspecies described as endangered by the United States Fish and Wildlife Service. It contains species and subspecies not...

The conservation status of a group of organisms (for instance, a species) indicates whether the group still exists and how likely the group is to become...

yellow iris. Of the more than 12,500 species living in the Brecks, 30% are nationally rare. The heath is home to the rare grey carpet moth which is only found...