Complex sentence: Later, as an adult male, the head and front part of the body are yellow, the hind half of the body is silvery grey and there is a vertical black bar and a broad black stripe along the ridge of the back.
Split into simpler sentences: Later, as an adult male, the head and front part of the body are yellow. The hind half of the body is silvery grey and there is a vertical black bar and a broad black stripe along the ridge of the back.