The article is quite long but FASCINATING! I really loved reading it. Thank you for posting. Lots in there to take on board. The different maternal styles particularly struck me. I am sure all of you who have roosters and hens that raise chicks must have seen that.I've found them to be very intelligent creatures. I've posted this before. It's a good overview of more recent research.
https://link.springer.com/article/10.1007/s10071-016-1064-4