EGGS ARE LAID WITHOUT BENEFIT OF A NEST. THEY ARE VERY TAPERED IN FORM, SO AS TO LESSEN THE CHANCE OF ROLLING AWAY, A NECESSARY FEATURE FOR EGGS THAT ARE FREQUENTLY LAID ON NARROW CLIFF LEDGES.
EGG COLOUR VARIES GREATLY. IT'S USUALLY A PALE CREAM/BLUE/GREEN BASE WHICH IS MOTTLED WITH BROWN/BLACK.