Discovery identifies Australia as birthplace of all modern . . . To appreciate all this, it’s important to understand there are three lines of mammals surviving on Earth today: the marsupials – the pouched mammals such as kangaroos and possums; the placental mammals, which includes most of Earth’s well-known modern mammals including dogs, cats, mice and of course, humans; and the monotremes – the
List of Endangered Species - Animal Welfare Institute The Earth is currently experiencing its sixth major animal extinction event One out of four of the world’s mammals and over 40 percent of amphibians are threatened with extinction due to human activity, including habitat destruction, overexploitation, climate change, and pollution, as well as human overpopulation
Mammals face an uncertain future as global temperatures rise There’s a lot of work to be done So far, researchers have only assessed the climate’s often contradictory effects on 87 mammal species – about 1% of the known 6,400 mammal species worldwide
Blue whale - Wikipedia The blue whale (Balaenoptera musculus) is a marine mammal and a baleen whale Reaching a maximum confirmed length of 29 9 m (98 ft) and weighing up to 199 t (196 long tons; 219 short tons), it is the largest animal known ever to have existed
Mammalian Species | American Society of Mammalogists Mammalian Species is published by the American Society of Mammalogists with 10-20 individual species accounts issued each year Each uniform account summarizes the current understanding of the biology of an individual species including systematics, distribution, fossil history, genetics, anatomy, physiology, behavior, ecology, and conservation