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Our Animals
Naked Mole-Rat

scientific name

heterocehalus glaber

size/weight/height

Head/Body/Length: 3.5 - 4.7"

adaptations/coloration

cylindrical bodies; shot limbs; loose skin helps animal turn around in confined space
Ears: no external ears
Eyes:
small (may be blind)
Metabolism: low + low food requirement
Teeth: chisel-like incisors; touch sensitive hairs over body (only hair)
Smell/Hearing: developed

behavior

Caste System: organized in castes according to task; castes distinguished by appearance
Home: underground; live in colonies; similar to social insects
Movement: moves backwards easily
Personality: highly social
Tunnels: dig extensive tunnel system; constant temperature (avoid outside extremes)

reproduction/lifespan

Lifespan: 10+ years in captivity
Breeding: only one pair breeds; non-breeders not sterile; breeding female seems to suppress breeding in others (pheromones?) breed year round in captivity
Birth Interval: up to four litters per year
Gestation: 70 - 80 days
Litter: Average ~12 (record = 27 in captivity)
Parenting: young cared for by entire colony
Sexual Maturity: 1+ years

diet

Wild: roots and tubers
Zoo: fruit, vegetables and rat chow

habitat/range

arid regions; Ethiopia, Somalia and Kenya

status

not listed

oregon zoo exhibit

Africa Savanna