Stand-off at Longleat Safari Park in Wiltshire saw antelope refuse to back down when beast approached her calf . Ramina kept her baby Phoenix behind her at all times as she charged at rhino , Njanu , which is 15 times heavier . Scimitar oryx antelope was overly defensive of her baby on seventh outing in park after difficult birth , keepers say .
Stand-off at Longleat Safari Park in Wiltshire saw antelope refuse to back down when beast approached her calf . Ramina kept her baby Phoenix behind her at all times as she charged at rhino , Njanu , which is 15 times heavier . Scimitar oryx antelope was overly defensive of her baby on first outing in park after difficult birth , keepers say .