ANIMAL:Yellow-Backed Duiker Cephalophus silvicultor
Type of Animal:
Forest, isolated forest islands, forested farmland, savanna forest, bush, clearings, woodland patches interspersed w/ savanna, open savanna woodland, thickets, swampy areas, forest-savanna mosaic, savanna, plantations
W & C Africa into N Angola, Zambia, Burundi, Rwanda, parts of Uganda, & SW Kenya
Convex body shape, taller at rump than shoulders, orange crest between short horns, yellow hair on rump, black/dark brown body, light gray muzzle, white lips, calves/fawns born dark brown w/ spotted flanks/red undersides, both sexes have horns, some females hornless, long wedge-shaped head
Fruits, shoots, berries, roots, leaves, buds, seeds, seed pods, stems, bark, herbs, foliage from bushes/trees, fungi, birds, small mammals, lizards, insects, carrion
Status in Wild:
Breeding in zoos & wildlife parks
Solitary or male-female pairs
Male: 140 lbs
Female: 170 lbs
Young: 68 lbs
7-7.5 monthsLife Span:
Male: 2.3 ft
Female: 2.62 ft
Male: 3.75 ft
Female: 4.75 ft
4.3-7.1 in, same for both sexes
Main predators of adults are felids, wild dogs, hyenas, crocodiles, rock pythons, & large eagles. Smaller eagles, ball pythons, & civets prey on young.
Due to diet, they play important role in seed dispersal.
One of the largest duikers.
They have good eyesight, sense of smell, & hearing.
Very shy & flighty in wild & in captivity.
Females sexually mature at 9 months, males at a year old.
Rub scent glands under eyes on branches to mark territory. Also rub them on mates during courtship & on calves/fawns to familiarize w/ scent. Males rub them on each other when fighting as well.
Calves/fawns stay hidden for 1st week of life & weaned at 3 months but stay w/ mom for up to a year.
While stable, threats include bushmeat hunting, habitat loss, logging, & agriculture.
Breed once or twice a year.
Cheek teeth specialized for chewing tough bark/roots.
Long pointed tongue/mobile lips allow foliage to be obtained/manipulated.
Search ground for food using hooves/snouts to dig.
Sometimes communicate w/ shrill bleats & loud grunts but mostly quiet animals.
Very easy to hunt at night due to habit of freezing up in torchlight.
“Duiker” comes from Afrikaans word meaning “diver” due to way they dive for cover when threatened.
Yellow rump hairs become erect when agitated.