ষাঁড় sharks can swim from salt water into fresh water, and on the coast of South of Africa these sharks occasionally encounter Africa's deadliest animal, the hippo.
Rockhopper penguins thrive in the harsh conditions of the remote Falkland Islands… but wind, rain (and guano!) is a real challenge for the Hostile Planet film crew.
We're facing a water shortage in the United States, but there's a few helpful tips আপনি can do at your প্রথমপাতা and in your gardens to make a difference.