Complex sentence: The chirruping wedgebill is a medium sized bird, measuring approximately 18-21 cm and weighing 31-64 g. Its bill is dark and wedge-shaped when mature, and horn-coloured when immature.
Split into simpler sentences: The Chirruping Wedgebill is a medium sized bird, measuring approximately 18-21cm and weighs 31-64g. The bill of this bird is dark and wedge shaped when mature, and horn coloured when immature.