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.
Population and range. Yellow-eyed penguins are found along the south-east South Island, on islands off Stewart Island, Stewart Island itself, the Auckland Islands and Campbell Island.Hoiho and chicks. Unique to New Zealand, the hoiho, or yellow-eyed penguin, is thought to be the world's rarest penguin.opulation and range. Yellow-eyed penguins are found along the south-east South Island, on islands off Stewart Island, Stewart Island itself, the Auckland Islands and Campbell Island.