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It’s official: Dolphins and orcas have crossed evolution’s ‘point of no return’ to live on land again
A dolphin breaking the surface for air can seem like a reminder of its mammalian past. But evolution is not nostalgia. The same body that still needs oxygen from the atmosphere is also one of the ...
At first glance, dolphins, sharks, and whales all cut similar figures as they glide through the ocean: sleek fins, smooth ...
Hamilton, H., Caballero, S., Collins, Allen Gilbert, and Brownell, Robert L., Jr. 2001. "Evolution of river dolphins." Proceedings of the Royal Society B: Biological ...
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