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A greater galago with a long bushy tail clinging to a tree trunk at night.
Photo: Bernard Dupont, CC BY-SA 2.0, via Wikimedia Commons

Greater Galago

Otolemur crassicaudatus

The largest bushbaby, a big-eared, woolly African primate that comes out at night to lick tree gum and catch insects.

About the Greater Galago

Greater galagos, also called thick-tailed bushbabies, live in forests of East and southern Africa, from southern Sudan to South Africa and Angola. They are the largest galagos, about 12 to 15 inches long with a tail of 16 to 19 inches. Their fur is thick, woolly and silvery brown to gray. They eat mostly tree gum and sap, plus fruit and insects.[1]

Quick facts

Scientific name
Otolemur crassicaudatus[1]
Size
Body about 12 to 15 inches; tail 16 to 19 inches.[1]
Lifespan
More than 18 years in human care.[1]
Diet
Mostly tree gum and sap, plus fruit and insects.[1]
Habitat
Forests.[1]
Where it lives
East and southern Africa, from southern Sudan to South Africa and Angola.[1]
Group life
Sleeps in groups; forages alone at night.[1]
Conservation status
Least Concern (IUCN Red List, assessed 2018).[2]

Fun facts

  • Galagos can move each ear separately.[1]
  • Greater galagos are the largest kind of bushbaby.[1]
  • They can leap about 6 feet.[1]

Vocabulary

bushbaby
Another name for a galago, a small African primate.
gum
A sticky liquid that oozes from trees.
arboreal
Living mostly in trees.
nocturnal
Active mainly at night.
primate
A group of mammals that includes lemurs, monkeys, apes and humans.

See it in person

These zoos had this animal when we gathered our information, but animals sometimes move. Check the zoo's website or contact the zoo before you visit.

Sources

  1. [1] Animal Diversity Web, University of Michigan. “Greater galago (Otolemur crassicaudatus).” https://animaldiversity.org/accounts/Otolemur_crassicaudatus/ (accessed 2026-10-02)
  2. [2] IUCN Red List of Threatened Species. “Otolemur crassicaudatus (Thick-tailed Greater Galago).” https://www.iucnredlist.org/species/15643/17963699 (accessed 2026-10-02)

Facts last checked 2026-10-02.