Bawden Rocks The rocks are also a nesting ground for a number of seabird species, including razorbills, cormorants, guillemots, great black-backed gulls and puffins. A local legend claims that the rocks were thrown out to sea by a child-eating giant called Bolster, after whom Bolster Day was named. Bawden Rocks Bawden Rocks, also known as Cow and Calf or Man and His Man, are a pair of small islands approximately one mile north of St Agnes Head, off the coast of Cornwall, England, United Kingdom. The larger of the two rocks stands around above the high water mark. The rocks are popular
Tryal Rocks They are northwest of the Montebello Islands, off the Australian mainland and part of the state of Western Australia. The rocks and the immediate locale are described as: "two coral reefs, close together, about in length NE-SW; the S reef dries 2.7m. The rocks are located about NW of Montebello Islands. Depths of less than 20m lie within SW and NW of Tryal Rocks; the sea breaks on these shallower depths in bad weather. A 5.5m patch lies W of North West Island Light. The channel between Tryal Rocks and Montebello Islands is wide, with depths of 31 to 40m,