The baby of a critically endangered eastern black rhinoceros has taken its first steps at Chester zoo in northern England. The calf's birth on October 29 was captured on the zoo's CCTV cameras.

Her birth ended a 15-month-long pregnancy for its mother, Ema Elsa, but now the zoo has launched a poll on its Facebook page to name the baby. Options include Kasulu - a town in Tanzania, Koshi - meaning 'to try' and Kaari - meaning 'young girl.' 

In the wild, these rhinos are only found in Kenya, Tanzania and Rwanda, and with fewer than 1,000 eastern black rhinos on the planet, the species is listed as critically endangered.

Video editor: Pedro Duarte