Up Next
Back to Show
Nature
The Fish That Breathes Air
A lungfish spends each dry season asleep underground, waiting for the waters to arrive before emerging. As the waterhole dries up at the end of the wet season, it will bury down to spend the dry season safely cocooned in the mud.
Support Provided By
Unlock with PBS Passport
53:56
Horseshoe crab numbers drop as their use as bait by the fishing industry increases.
Unlock with PBS Passport
52:58
The explosion of dog types into the roughly 400 breeds and dogs' role in medical care.
Unlock with PBS Passport
52:59
This film explores how the domestication of dogs might have taken place.
