Cardiac tamponade occurs when too much fluid collects in the pericardium (the sac around your heart). The fluid may collect slowly or quickly, and puts pressure on your heart. This makes it difficult for your heart to pump. Cardiac tamponade can be life-threatening. Infection or inflammation.
Physical Characteristics. Males of the largest kangaroo species, the red kangaroo, can be up to 6 feet tall and weigh 200 pounds.In all species, females are smaller than males. Male red kangaroos have a maroon-colored coat; female red kangaroos are bluish-gray, which has earned them the nickname blue flyers..ales of the largest kangaroo species, the red kangaroo, can be up to 6 feet tall and weigh 200 pounds. In all species, females are smaller than males.
Kangaroos. Kangaroos are one of Australiaâs most recognisable animals. Australia has 4 kangaroo speciesâred, eastern grey, western grey and antilopine. The eastern grey is the most common species in Queensland. The eastern grey kangaroo adapts to changed landscapes that still provide shelter, water and grass to eat.ustralia has 4 kangaroo speciesâred, eastern grey, western grey and antilopine. The eastern grey is the most common species in Queensland. The eastern grey kangaroo adapts to changed landscapes that still provide shelter, water and grass to eat.