if a kangaroo is being chased by a dog it might jump into a river now once in the water the kangaroo Waits the dog following the chase will usually swim after it as the dog swims closer the kangaroo grabs it with its powerful arms and sharp claws next it pushes the dog’s head underwater and holds it there trying to drown it with its strong claws the kangaroo grips tight using its weight to keep the dog submerged until it stops moving