This explains why it's impossible to make pacemakers with replaceable batteries. 1  Sinus bradycardia is a common reason for needing a pacemaker. Read about sinus bradycardia. 2  Read about sick sinus syndrome. 3  Read about heart block.
What Do Ferrets Eat in the Wild? Dark-footed ferrets depend on prairie dogs for everything from food to shelter to safety. These wild members of the weasel family eat prairie dogs practically exclusively and also live in abandoned prairie dog dens. They rely on these large holes for protection from eagles and other predators.
The natural diet of the European polecat ferret consists of whole small prey, i.e., meat, organs, bones, skin, feathers, and fur.nswer by Pets.wild. Confidence votes 15. The natural diet of the European polecat ferret consists of whole small prey, i.e., meat, organs, bones, skin, feathers, and fur. Polecat ferrets mainly hunts voles, rabbits, small rodents, They also feeds on frogs, other amphibians, carrion and bird eggs.