Yeah, I’m a corvid fan, as any regular reader of this blog would know if there were any 
Now I stumbled across a PLOS ONE article that’s just too good not to mention here:
Behavioral Responses to Inequity in Reward Distribution and Working Effort in Crows and Ravens
Wow, just wow: crows apparently have a sense of “fairness”, or at least (a more cautious interpretation by yours truly) of “market value” – and if they do not get the fair market value for their “goods” they get pissed at you.
wow.
A Common Raven (Corvus corax) in the Tierpark Friedrichsfelde in Berlin.
That’s why they ‘steal’ food from those bums at the zoo… it’s like taking bottled beer from welfare recipients… it’s only fair!!!
link to paper from wordpress requires http: by the way, or else it adds the blog address to the goal:
http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0056885
did you see this?
“funded by a L′Oreal Women in Science scholarship”
I’ll have to think of this the next time I buy eyeliner