family ursidae การใช้

• Family Ursidae ( bears ) is the largest of all the land caniforms.
• ""'Ursus " "'is a genus in the family Ursidae ( bears ) that includes the widely distributed brown bears, the polar bear, and black bears.
• Bears are an exception to this rule; species in the family Ursidae are famous for their ability to survive unfavorable environmental conditions of low temperatures and limited nutrition availability during winter by means of hibernation.
• It was assigned to the family Ursidae by Schlosser ( 1899 ) and R . L . Carroll ( 1988 ); and to Ursavini by R . M . Hunt ( 1998 ) and Jin et al . ( 2007 ).
• ""'Ursus deningeri " "'( Deninger's bear ) is an extinct species of mammal of the family Ursidae ( bears ), endemic to Eurasia during the Pleistocene for approximately, from ~ 1.8 Mya to 100, 000 years ago.
• ""'Ursus etruscus " "'( Etruscan bear ) is an extinct species of mammal of the family Ursidae ( bears ), endemic to Europe, Asia and North Africa during the Pliocene through Pleistocene, living from ~ 5.3 Mya 800, 000 years ago, existing for approximately.