Detailed text transcripts for TV channel - KGO - 20190521:00:46:00
Water, which has actually helped grow the humpback population. but warming waters are threatening a small crustacean called krill, the main food supply for humpbacks and the bedrock of antarctica's entire food chain. >> they represent the health of an ocean ecosystem. to be able to have enough food to support a whale, let alone a population of whales, all of these things have to combine together to promote life and promote food being there. >> reporter: after days of attempts to tag a whale, the scientists zero in. this camera attached to the tracking device is successfully planted on the hump...
Source: archive.org