Atrial fibrillation (AF or A-fib) is an abnormal heart rhythm characterized by rapid and irregular beating.
Emperor penguin - Aptenodytes forsteri. This is the largest species of penguins. Emperor penguins are only found on and around the Antarctic continent, on the thick pack ice and rarely on mainland. They have a pale yellow, open (breast and chin patch are one) patch on chin and breast. A long, thin and curved bill, typical for fish eaters. Very dark grey back and blue black head.
Distribution. Yellow-eyed penguins breed on the southeast coast of the South Island, on Stewart Island and adjacent islands, and in the subantarctic on the Auckland and Campbell Islands.On the mainland, yellow-eyed penguins breed in four distinct breeding regions: the Catlins, Otago Peninsula, North Otago and Banks Peninsula.he largest of the penguins breeding on the New Zealand mainland, the yellow-eyed penguin has become a flagship species for nature-based tourism in the southern South Island.