Ostrich, oyster, raw: serving ( cooked from 4 oz raw) to Grams
Quick answer
One serving ( cooked from 4 oz raw) of ostrich, oyster, raw weighs 85 grams.
1 serving ( cooked from 4 oz raw)85 g
Reference serving (nutrition facts)100 g
Source: USDA FoodData Central - SR Legacy (2018-04) (USDA household portion weight)