Gang Gang Cockatoo
- Red-Crowned Cockatoo, Red-Headed Cockatoo SIZE Length about 35 cm (14″), weight about 250 grams SEXING The Gang Gang is dimorphic with the female lacking the red coloured head of the male. Immature birds look like the hen except for some red scalloping of the head feathers in young males, which may be seen even in the nest.