At some point in evolutionary history, whales and dolphins passed a threshold their bodies could never recover from.
A platypus can swim for food, then move efficiently across land. A sea lion can haul itself ashore, though its body is far better built for water. A dolphin never leaves the water at all. Researchers ...
Dolphin Environmental EducationLearning About Dolphins Reveals the Marine Environment | Beyond Being Smart and Cute: A ...
More than four decades ago, in the summer of 1982, a team of researchers chased bottlenose dolphins through the shallow, brackish waters of the Mississippi Sound, scooped them gently into a 457-meter ...
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 ...