What is a baby horse called?

Let's call the baby horse "Comet".

Comet, a newborn foal, is a bundle of wobbly legs and curious energy. He's probably only a few days or weeks old, standing just a few feet tall. His coat is likely soft and downy, perhaps a dark brown, chestnut, or even a striking palomino color depending on his breed and parentage. He's still learning to coordinate his movements, often taking clumsy steps and stumbling occasionally as he explores his surroundings. He spends most of his time nursing from his mother, a mare who attentively watches over him. Comet's eyes are large and expressive, full of innocent wonder. He's already showing signs of his playful nature, perhaps nipping playfully at his mother's tail or taking tentative steps towards other horses in the pasture. His small ears twitch frequently, alert to any sounds around him. While he might seem fragile, Comet possesses a remarkable resilience and a strong will to survive, quickly learning to navigate the world around him. He's a beautiful symbol of new life and the promise of growth to come.