The first MAWS field season is referred to as the 2004 season; it fell in winter 2003–2004.
Because the MAWS program was started after the MAPS
program stopped using the obsolete micro-aging codes
UNP), these codes do not appear in the
The cloacal swab field was not present until the 2007 field season.
For the output format used in the first three MAWS field seasons, see Section 5.5, “MAWS 2004 output format”.