You know, Yann, I'm sure you're right. Horses are perfectly capable of learning words as well as voice tones, but not everyone gives them credit for it. It's amazing what a wide vocabulary they can acquire given the chance. Let's see - what words does M know?
Whoa, walk on, trot on, canter, over, back, no, up, drop (your head), put me down! Wait, tootsies, shut the gate, car coming, cows, drink, steady, stretch, good boy/clever boy, doggie, look, sniff, go on then (= OK, you can have that bit of cow parsley if you really need it that desperately)... and a few others that I'll remember in a minute
Whoa, walk on, trot on, canter, over, back, no, up, drop (your head), put me down! Wait, tootsies, shut the gate, car coming, cows, drink, steady, stretch, good boy/clever boy, doggie, look, sniff, go on then (= OK, you can have that bit of cow parsley if you really need it that desperately)... and a few others that I'll remember in a minute