HOME

TheInfoList



A least-concern species is a
species
species
that has been categorized by the
International Union for Conservation of Nature The International Union for Conservation of Nature (IUCN; officially International Union for Conservation of Nature and Natural Resources) is an international organization working in the field of nature conservation and sustainable use of natural ...
(IUCN) as evaluated as not being a focus of species conservation because the specific species is still plentiful in the wild. They do not qualify as
threatened Threatened Species are any species (including animal Animals (also called Metazoa) are multicellular eukaryotic organisms that form the Kingdom (biology), biological kingdom Animalia. With few exceptions, animals Heterotroph, consume org ...
,
near threatened A near-threatened species is a species In biology, a species is the basic unit of biological classification, classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest gr ...
, or (before 2001)
conservation dependent A conservation-dependent species is a species which has been conservation status, categorised as "Conservation Dependent" ("LR/cd") by the International Union for Conservation of Nature (IUCN), i.e. as dependent on conservation efforts to prevent ...
. Species cannot be assigned the "Least Concern" category unless they have had their population status evaluated. That is, adequate information is needed to make a direct, or indirect, assessment of its risk of
extinction Extinction is the termination of a kind of organism In biology, an organism () is any organic, life, living system that functions as an individual entity. All organisms are composed of cells (cell theory). Organisms are classified by ...

extinction
based on its
distributionDistribution may refer to: Mathematics *Distribution (mathematics) Distributions, also known as Schwartz distributions or generalized functions, are objects that generalize the classical notion of functions in mathematical analysis. Distr ...
or population status. Since 2001 the category has had the abbreviation "LC", following the IUCN 2001 Categories & Criteria (version 3.1). Before 2001 "least concern" was a subcategory of the "Lower Risk" category and assigned the code "LR/lc" or lc. Around 20% of least concern
taxa In biology Biology is the natural science that studies life and living organisms, including their anatomy, physical structure, Biochemistry, chemical processes, Molecular biology, molecular interactions, Physiology, physiological mechanism ...
(3261 of 15636) in the IUCN database still use the code "LR/lc", which indicates they have not been re-evaluated since 2000. While "least concern" is not considered a ''red listed'' category by the IUCN, the 2006
IUCN Red List 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 biol ...
still assigns the category to 15636 taxa. The number of animal species listed in this category totals 14033 (which includes several
undescribed species In taxonomy, an undescribed taxon is a taxon In biology Biology is the natural science that studies life and living organisms, including their anatomy, physical structure, Biochemistry, chemical processes, Molecular biology, molecular i ...
such as a frog from the genus ''
Philautus ''Philautus'' is a genus of shrub frogs in the family Rhacophoridae from Asia. Some species in this genus are now considered extinct by IUCN, while others are widespread and abundant (such as the recently described ''P. abundus'', which was speci ...
''). There are also 101 animal subspecies listed and 1500 plant taxa (1410 species, 55 subspecies, and 35 varieties). No
fungi A fungus (plural The plural (sometimes list of glossing abbreviations, abbreviated ), in many languages, is one of the values of the grammatical number, grammatical category of number. The plural of a noun typically denotes a quantity great ...

fungi
or
protista A protist () is any eukaryotic organism In biology, an organism (from Ancient Greek, Greek: ὀργανισμός, ''organismos'') is any individual contiguous system that embodies the Life#Biology, properties of life. It is a synonym f ...
have the classification, though only four species in those kingdoms have been evaluated by the IUCN.
Human Humans (''Homo sapiens'') are the most populous and widespread species of primates, characterized by bipedality, opposable thumbs, hairlessness, and intelligence allowing the use of culture, language and tools. They are the only Extant taxon, ...

Human
s qualify for this category, because they are highly abundant, and in 2008 were formally assessed as such by the IUCN.


List of LC species


Notes and references


External links


List of Least Concern species
as identified by the
IUCN Red List of Threatened Species The International Union for Conservation of Nature International is an adjective (also used as a noun) meaning "between nations". International may also refer to: Music Albums * ''International'' (Kevin Michael album), 2011 * ''International' ...
{{Portal bar, Ecology, Biology Biota by conservation status IUCN Red List