Why do baby animals such as lambs already know where they can get milk if are new born?

It's not that baby lambs *know* where to get milk; it's a combination of instincts and physical cues that guide them:

* Instinct: Lambs (and many other baby animals) are born with a strong instinct to seek out their mother's warmth and nourishment. This instinct is hardwired into their brains and guides their behavior from birth.

* Scent: Lambs are drawn to the scent of their mother's milk, which is very strong and easily detected.

* Sound: Lambs are also drawn to the sounds their mother makes, such as bleating, which help them locate her.

* Physical cues: A newborn lamb's natural instinct is to nudge and explore its surroundings. This behavior often leads them to their mother's udder, where they can find milk.

The mother's own behavior also plays a crucial role:

* Mother's instincts: The mother instinctively knows her baby needs milk and will encourage it to suckle.

* Positioning: The mother instinctively curls up around her lamb, making it easier for the lamb to find her udder.

So, while it may seem like a lamb knows where to get milk, it's actually a combination of instincts, sensory cues, and the mother's behavior that leads them to their source of nourishment.