What bird has a black and white body and a thick red beak and is about 2.5 foot tall?

The bird you are describing is likely the African Pied Wagtail, also known as the White Wagtail. It has a distinctive black and white body, a thick red beak, and can grow to about 2.5 feet tall. This bird is often found near water bodies and is known for its energetic movements and tail-wagging behavior.