Just finished reading this book[0] to my kids last night. I wonder: are penguin's social groups especially prone to this kind of interspecies bonding or is this

Just finished reading this book[0] to my kids last night. I wonder: are penguin's social groups especially prone to this kind of interspecies bonding or is this just a one in a billion fluke? [0] https://en.m.wikipedia.org/wiki/Mr._Popper%27s_Penguins https://en.m.wikipedia.org/wiki/Mr._Popper%27s_Penguins