4 Blue whale - some of the environmental dangers to the blue whale would include, they are threaten by changes in there environment. Harm can also come if they are struck by a large ship or if they get caught or tangled in a fishing new. There are only about 10000 to 25000 blue whales left.
5 White rhino - This species of Rhino had a population of around 20170. There height is around 5 to 6 feet tall. They weigh anywhere around 3000 to 7900 pounds. The biggest threat for these rhino are poachers hunting for there horns. On the black market people can get a lot of money for there horns. Other threats are white rhinos loosing there lands for agricultural use.