Complex sentence: The clutch consists of three to four dull white eggs of a tapered oval shape measuring 42 x 31 mm and with red-brown blotches that are often heavier around the larger end of the egg.
Split into simpler sentences: The clutch consists of three to four dull white eggs measuring 42 x 31 mm with red-brown blotches, that are tapered oval in shape. The markings are often heavier around the larger end of the egg.