Amazon River Dolphins live in the Amazon Rainforest, and have adapted to their environment through their skin color and shape of their mouths. The dolphins' long mouths help them swallow piranhas, so the piranhas can’t bite the insides of their mouths. Also, Amazon River Dolphins are born gray and as they get older, they turn a pinkish color. The pinkish color helps them camouflage with the reddish rainforest floor.
If the temperature goes up in the Amazon Rainforest and all the water evaporates, then the Amazon River Dolphin will have to adapt to underground water caves. The topsoil would be so dry that no water is able to soak into it, so the dolphins would use their dorsal fins to dig underground where the dried up rivers were. Underground there is water pools that the dolphins can stay in so they don’t dry up.
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