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18 year old parrot laying eggs for the first time

 
Expert Question

My 18 year old green wing macaw has started laying eggs. The first 2 I disposed of but I've let the 3rd one stay in the cage because I was worried she would just keep producing eggs if I kept disposing of them.

She was spending alot of time on the floor of her cage with the egg, but last night and today she was on her perch when I put her to bed and woke her up.

She doesn't spend a lot of time in her cage. Mostly to eat (twice a day) and sleep. The rest of the time she's in different rooms of the house climbing, playing, etc.

She has a companion female blue & gold (19 yrs old), they don't live in the same cage but they do spend almost all their time together.

Nothing has really changed in her environment that I can perceive so I don't know why all of a sudden she's laying eggs.

Should I take her in for a vet check? She last visited the vet about 6 months ago, for a check up

Should I increase her food in any way? She eats Harrison's High Potency Pellets, fresh vegies (broc, peppers, squash).

Thanks for your help as always!
BJ




Expert Answer

Hello BJ,

The reproduction cycle of parrots is largely dependent on numerous environmental factors. One of those is feeling very comfortable and safe in their surroundings. Your female Green-winged Macaw is obviously happy in her situation; therefore, she has started laying eggs. I don’t know that anyone can explain why it has taken so long. Maybe this year’s unusual winter had something to do with it. Who knows what environmental triggers she is sensing?

In my personal experience I have seen this become a problem with smaller birds such as budgies and cockatiels, that once started, seem to become egg factories, which in turn depletes them of nutrients over time. Chickens are fed special diets for egg production, but those diets are designed for maximum production and aren’t at all developed for the longevity of the bird.

Generally speaking the larger parrots will grow out of it. I have used several different methods. What I have found works best is to give them a nest box, so that they can learn to lay and sit their eggs in a cavity, which is instinctive to them. Laying and sitting eggs out in the open is not natural, which is most likely why she abandoned the egg you left for her. Usually once they have laid and cared for a clutch or two of eggs in a nest box, and it’s taken away, they won’t lay any more eggs unless the nest box is reintroduced. In some cases if the cage is in a cramped area it may feel like to them that they are in a nest box when just sitting in their cage. If this is the case you may want to move the cage into a more open area.

Whether or not she needs to go to a veterinarian depends on a lot of different factors.

  1. At her most recent visit what tests were done and were they normal?
  2. Was a CBC and chemistry done and were they normal?
  3. Is her behavior normal other than the fact she is now laying eggs?
  4. Did she have any trouble laying the eggs?
  5. Did the egg shells look normal (nice and smooth and thick) or were they thin in areas and chipping or flaking?
  6. Is she eating as normal?

At 18-years old she has probably built up a pretty good calcium store, but if the shells were thin or flaking that is a sign of a calcium deficiency or some sort of metabolic issue that isn’t allowing her to properly store calcium. For instance a lack of exposure to UV can result in low levels of vitamin D; therefore, they can’t properly store calcium.

She seems to be on a pretty good diet. Since she is a macaw I would suggest adding a few nuts in the shell on a daily basis (walnuts, hazel nuts, pecans, Brazil nuts, almonds, etc.) and some fresh fruits now and then. This has nothing to do with her egg laying, but macaws tend to need a little more fat in their diets, and they enjoy fresh fruit. Some nuts, such as almonds contain good levels of calcium. Almost all nuts contain a lot of other beneficial nutrients and trace elements.

Thank you,
Glenn


Glenn Reynolds
About Glenn Reynolds

Glenn Reynolds has owned and bred various parrot species since 1979, starting with Sulphur-crested Cockatoos and Cockatiels and eventually moving on to Hyacinth Macaws, Golden Conures, and Palm Cockatoos.

An ambitious businessman with a love for parrots, Glenn has pursued a variety of parrot-related activities. In 1988 he founded Avicare, health and life insurance for parrots, underwritten by Lloyds of London. In May of 1996, he began working on the formulation of Breeder’s Blend Bird Food with the assistance of his wife, Julia Jones Reynolds, DVM, and Edward Moser, a veterinary nutritionist.

In 1998 Glenn teamed up with Mike Reynolds, founder of the World Parrot Trust, to spearhead the World Parrot Trust-USA Golden Conure Survival Fund. As administrator of the Golden Conure Survival Fund, Glenn has raised over $50,000 to aid in the preservation of Golden Conures.

Elected to the World Parrot Trust board of directors and trustees in 2001, Glenn recently resigned from the board in order to take on the responsibilities of administrator of World Parrot Trust USA, Inc.