There is a pre-print which claims to have found this effect in 3 day old chicks. Given three day old baby chickens are not renowned for their literacy skills, it would point to some much more deeper origin.

https://www.biorxiv.org/content/10.1101/2024.05.17.594640v1....

https://www.science.org/content/article/scienceadviser-even-...