![]() ![]() ![]() Incubation that is 28 days, starts from the second egg. Eggs are laid with a three-day gap and the normal clutch is two to three eggs. The Nest box must have an escape hole in it at all times at right angles to the entrance hole, with no perch on the outside, so that should the cock start to drive the hen she can at least enter the box and if he follows her she can get away from him by using the escape hole. ![]() The best type of Nest box I have found to use is an "L" shaped one or one divided in the centre with a 4" shelf piece so as to make it into two halves internally made from as thick a wood as can be obtained and lined in and out with wire otherwise they will destroy it. Spare adult hens are almost impossible to obtain, this is because people will insist on pairing a young hen to an adult cock bird (this is irresponsible on behalf of the keepers) as it is a known fact that once the cock birds reach breeding age they will attack their hen if she is not willing to nest and in some cases inflict mortal wounds on her. Although they start mating at about four years old no eggs have ever been laid. This Cockatoo takes longer than any other one that I have ever had to reach breeding maturity at least seven years for a hen to lay her first egg, and six years of age for a cock to be able to fertilize them. One of the most threatened cockatoo species (C.I.T.E.S. The Red-Vented Cockatoo, ( Cacatua haematuropygia) ![]()
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