Interesting Study of Perches

[casportpony]

Today I was looking through member pages and found this interesting article, which led me to find the study (see attached).
View article item 76138

 

[oldhenlikesdogs]

That's a good article. I've wondered what the birds prefer. When given the option mine seek out the 2 inch square.

 

[aart]

Here's an article about a perch preference experiment.
https://www.backyardchickens.com/articles/the-perch-experiment.74272/