Remember “weaselpecker,” that hard-to-believe photo of a weasel riding a bird, Rescuers-style? Those types of animal interactions go viral because they seem rare to us.
In that particular case the photographer confessed that it was just a one in a million chance photo of a split second of a fight between the bird and the weasel.
Dolphins and whales push their newborn young to the surface for air so there is some well known behavior behind it.