Koga (Kagaku Oaho, 27, 1938) reported on the birth of a Nigerian giraffe, female, Giraffa camelopardalis peralta at the Ueno Zoo at 7:24 pm. Parturition time was reported to be three hours, nineteen minutes. The calf gained its feet at 7:56 pm, 32 minutes after birth, though it did not eat for 42 hours.