Explain Animals on Instagram: "Dolphins are mammals, which means they cannot breathe underwater. The moment a calf is born, its first instinct is to swim upward for air. Mothers and nearby females, often called aunties, usually help guide the newborn to the surface in those first seconds. A dolphin calf normally takes its first breath within just a few seconds after birth. That first inhale inflates the lungs completely for the very first time and allows the calf to begin its own breathing rhyth