It may be cold and inhospitable in Antarctica, but that hasn't stopped a whole host of invasive species from settling there -- a fact that has biologists quite concerned.
We also have protected "unicorns," squids bothered by noisy oceans, thriving sardines, gorillas in war-torn Congo, rare river dolphins killed for bate, and and more in the Week in Animal News.
The Week in Animal News: Seal Feeds Human Live Penguins, Ants Retire, and More
The Week in Animal News: Clouded Leopard Kittens, Bats Worth Millions, and More
The Week in Animal News: Dog Refuses to Leave Grave, Frog Rides Snake to Safety, and More