Complete karyotype of white female. Complete karyotype of white (2m/2) female (Z/W) KB15793, showing 82 macro- and microchromosomes, including 40 autosome pairs and two sex chromosomes (Z and W); data generated at the San Diego Zoo's Institute for Conservation Research, Zoological Society of San Diego. In addition to the rearrangement of 2, chromosome 3 also sometimes exhibits an alternate form (3a; as seen here).
Romanov et al. BMC Genomics 2009 10(Suppl 2):S10 doi:10.1186/1471-2164-10-S2-S10