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I am surprised they used the comparison of the fish over the practice of "anting" which is a behavior that more than 200 species of birds do in which they will land on an ant next and allow ants to crawl all over them. The theory being that the ants release formic acid which is a natural defense against parasites, fungi and mites.

I have a couple ant nests on my property and have witnessed several crows at a time land on the nests and do this behaviour on multiple occasions.

What ever the reason the bigger ants are allowing this to happen I am convinced that there is some sort of beneficial reason.

[x______________]

> I have a couple ant nests on my property and have witnessed several crows at a time land on the nests and do this behaviour on multiple occasions.

Would love to see some video footage of this!

[occamofsandwich]

> What ever the reason the bigger ants are allowing this to happen I am convinced that there is some sort of beneficial reason.

Isn't it an opportunity to find lice and ticks?