Glossary

The vocabulary of wildlife

35 terms WAnimals uses across its species and place profiles, each one with the real species that match it.

35defined terms5vocabularies2,565classified species

Conservation status (IUCN)

The official threat scale, from lowest to highest risk.

Least Concern1,377 especies
The species is abundant and widely distributed; it faces no significant short-term risk.
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Near Threatened167 especies
It could become endangered in the near future if current threats go unchecked.
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Vulnerable230 especies
It faces a high risk of extinction in the wild over the medium term.
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Endangered183 especies
It faces a very high risk of extinction in the wild in the near future.
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Critically Endangered102 especies
It faces an extremely high risk of imminent extinction in the wild.
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Extinct in the Wild2 especies
It survives only in captivity or through populations reintroduced outside its historical range.
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Extinct16 especies
No living individual remains anywhere in the world.
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Data Deficient20 especies
There is not enough information to assess its risk of extinction.
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Not Evaluated468 especies
It has not yet been assessed against the IUCN criteria.
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Diet

Carnivore986 especies
Feeds mainly on other animals.
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Herbivore613 especies
Feeds mainly on plants.
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Omnivore566 especies
Combines animal and plant food depending on availability.
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Insectivore300 especies
Feeds mainly on insects and other invertebrates.
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Piscivore31 especies
Feeds mainly on fish.
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Frugivore12 especies
Feeds mainly on fruit.
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Nectarivore33 especies
Feeds mainly on flower nectar.
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Detritivore12 especies
Feeds on dead organic matter as it decomposes.
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Activity pattern

Diurnal1,229 especies
Active mainly during the day.
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Nocturnal768 especies
Active mainly at night.
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Crepuscular84 especies
Active above all at dawn and dusk.
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Irregular activity169 especies
Active at irregular times, by day or night depending on circumstances.
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Social structure

Solitary1,226 especies
Lives and hunts alone, joining others only to breed.
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In pairs364 especies
Usually lives in pairs, sometimes for life.
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Family group65 especies
Lives in small family groups with close bonds.
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Herd114 especies
Lives in large groups as a strategy against predators.
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Hierarchical pack19 especies
Lives in an organised hierarchical group, typical of cooperative hunters.
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Colony478 especies
Lives in large concentrations, often for breeding reasons.
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School59 especies
Gathers in coordinated schools, typical of fish.
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Protected-area categories (IUCN)

The code shown on park profiles. 534 parks in the catalogue have one assigned.

IUCN Ia · Strict nature reserve
An area strictly protected for its biodiversity or its geological formations, where visits and human use are heavily restricted so as not to disturb the values being conserved. These are usually reserved for scientific research.
IUCN Ib · Wilderness area
A large, little- or un-modified area with no permanent human settlement, protected so that it keeps its natural character without intensive management.
IUCN II · National park
A large natural area protecting large-scale ecological processes along with their characteristic species and ecosystems, which also allows public visits for educational and recreational purposes. This is the category of most national parks.
IUCN III · Natural monument
An area protecting one specific natural feature: a landform, a cave, a seamount or even a singular forest. These are usually small areas around that feature.
IUCN IV · Habitat or species management area
An area aimed at protecting particular species or habitats, which therefore needs regular, active management intervention rather than merely the absence of impact.
IUCN V · Protected landscape
An area where the interaction of people and nature over time has produced a landscape with a character of its own, of ecological and cultural value, and whose protection means maintaining that relationship rather than excluding it.
IUCN VI · Protected area with sustainable use of resources
An area conserving ecosystems and habitats together with traditional systems for using their resources, allowing sustainable use compatible with conservation.