How does this kind of relationship and sense of duty —by a prey animal, of an entirely different class, no less— take form?
What is happening, here, and what kind of communication channel exists that facilitates each of these animals to mutually understand and tolerate the other? What on earth would inspire a deer to put aside its’ own self preservation instincts for the sake of protecting a mother goose’s unhatched goslings? How would a deer know eggs have anything to do, at all, with future offspring, anyway?
An abandoned kitten cared for by a crow, that guards and feeds the kitten, as part of their impossibly improbable relationship.