Whales

Introduction Whale is a large mammal that lives its entire life in water. Like other mammals, whales have a large highly developed brain and nurse their young with milk. Whales resemble fish in many ways, but they are not. Fishes are cold blooded and breathe underwater using gills. Whale maintains a warm, constant body temperature of about 37 degrees Celsius (about 99 degrees Fahrenheit) and breathes underwater using lungs. Unlike fish, whales move their tails up and …

…body. At one time, there were three gray whale populations. A north Atlantic population now extinct, possibly the victims of over- hunting. Eastern north pacific population which is the largest surviving population. And North Pacific gray whale population which has made a remarkable recovery and there are about 19000 of them today. Total population of gray whales today is around 25,000. This is the end of my presentation and my partner Yoohei will now talk about whaling.