Sea cucumber poo may be the key to saving the world's great coral reefs from devastation. Invasive pythons are doing damage in the Everglades, eight sea lions were found shot to death in Washington and more.
There's no doubt we've seen an uptake in jellyfish numbers over the last few years, but does that mean they'll dominate the seas for year's to come? A group of scientists aren't so sure about that, and are taking a closer look.
The "Greatest Show on Earth" has been fined for animal welfare violations -- about half the worth of a polar bear. We also have news on tracking Turkey's wolves, the case for invasive species, and more.