I found this article about Perinatal Acoustic Communication in Birds. I was trying to find out if there was any benefit in talking to my Muscovy eggs as they incubate. It seems that communication is more important between the developing chicks than between the chicks and the parent bird/s, with bonding between chicks and parent/s happening in the days after hatch rather than before (in the species studied). But it's really amazing how chicks communicate to co-ordinate their hatch.
Just thought I'd share it.
https://openornithologyjournal.com/contents/volumes/V3/TOOENIJ-3-141/TOOENIJ-3-141.pdf
Just thought I'd share it.
https://openornithologyjournal.com/contents/volumes/V3/TOOENIJ-3-141/TOOENIJ-3-141.pdf