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| Duration: | 00:16 |
| Uploaded: | 2012-04-19 |
| Last sync: | 2024-11-24 17:45 |
Amazon river dolphins have thinner skin than ocean dolphins because they live in warmer waters with a more constant temperature. Thus they, like many humans, are pink because you can see the blood vessels beneath their skin.
Michael: Why are Amazon River dolphins pink?
Hank: Amazon River dolphins have thinner skin than ocean dolphins, because they live in warmer waters with a more constant temperature. Thus, they - like many humans - are pink, because you can see their blood vessels, beneath their skin.
Hank: Amazon River dolphins have thinner skin than ocean dolphins, because they live in warmer waters with a more constant temperature. Thus, they - like many humans - are pink, because you can see their blood vessels, beneath their skin.