Rugby in Cardiff Welsh international Jamie Roberts. Another side, Cardiff Internationals Athletic Club normally shortened to CIACS (pronounced "kayaks") were formed in the docks area of the city, known as Tiger Bay in 1946. CIACS has always reflected the multicultural nature of the docks area, hence the name Cardiff Internationals. The club is best known for having produced Billy Boston, who went on to become a rugby league footballer in the 1950s. The club represents the Grangetown, Cardiff Bay, Butetown and the Docks areas. There are many other recreational non-affiliated sides playing in the city, including Cardiff Bus RFC, players being employees of
Cardiff Bay Barrage Wales Rally GB. According to two studies published in 2006, the loss of intertidal mudflats has resulted in the numbers and diversity of the birds using Cardiff Bay greatly reducing. Almost all of the common shelduck and shorebirds that used the bay when mud was exposed no longer feed there. Initially these birds used nearby sites to feed, but in most cases, this behaviour was not sustained, and the birds were unable to settle elsewhere. Common redshanks displaced from Cardiff Bay settled at the nearby Rhymney estuary, but they exhibited lower body weight, and their annual survival rate declined from