Don't you have that backwards? They speak English, you don't, heh. - Seriously, BritE is getting more and more 'americanized' by the day. I'm sure most Brits don't even know this 'corn' thing any longer. And how many people recognize the differences between the various cereal plants and grains in the first place? Not many. - You knew this was barley, so you get a medal.
That was the photographer's caption. I thought it was odd too.
We're still in a time warp. I have tried to do a search under 'cat mouse' three times without success. Each time, the words in the search box changes to something else completely different and that's what shows up...with a lot of advertising.