He'd been out of racing for a good 10 years so he has been used to the schooling and normal horse yard way of life...
Some interesting articles on horse memory:
Horses Never Forget Human Friends : Discovery News
Understanding a Horse’s Memory | Horseman Magazine
learning and memory in horses | The Cognitive Horse
From the last one
In the late 1990ís, Evelyn Hanggi, co-director at the Equine Research Foundation (ERF) in Aptos, California and colleague Jerry Ingersoll tested the ability of three equines to learn to select pictures that were projected on a computer screen according to specific criteria (e.g., color, shape, location). In 2008, they tested them again. |
They had not seen the pictures for 10 years. Yet they were able to repeat the same tasks with a nearly perfect level of accuracy. Not only were they able to remember the specific objects learned years ago, they were able to apply those previously learned rules and concepts to new objects.