Vazhinji varume vakuru vanonzi silverbacks nekuti chigaro chebvudzi regrey kana sirivheri-mavara chinokura kumusana kwavo nezera. Bvudzi riri kumusana kwavo rakapfupika kupfuura pane mamwe mativi emuviri, uye vhudzi ravo remuoko rakanyanya kureba. Yakareba silverback yakanyorwa yaive 1.95 m (6 ft 5 in) ine ruoko rwemaoko e2.7 m (8 ft 10 in), chipfuva che 1.98 m (6 ft 6 in), uye huremu hwe 219 kg (483 lb), yakapfurwa muAlimbongo, kuchamhembe kweKivu muna Chivabvu 1938. Pane chinyorwa chisina kusimbiswa cheimwe munhu, akapfurwa muna 1932, aive 2.06 m (6 ft 9 in) uye akarema 218.6 lb (482 kg). Huruve hwakanyanya kunyorwa yaive 1.83 m 0 muAmbameroon, iyo yairema 267 lb (589 kg). Bvudzi riri kumashure kwavo rakapfupika kupfuura dzimwe nzvimbo dzemuviri dzemuviri.
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