Tats My Amazing African Grey

Roz

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:welcome: Charles! Tats sounds like great fun! Would love to see a photo of her!
 

DizzyBlue

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Let's clear this myth up it's down to metabolic speed of aging different species different life span.

Large parrots are about the same speed of aging to a human things like parakeets like budgies are faster.

To work out bird equivalent to human is a little trickier than some species but the calculation is this.....

Average lifespan of a human divided by the average life span of the species of bird which gives you your calculation number which you use to multiply the age.

Remember some species of animal live way longer than some humans So you could end up working out human compared to say a giant tortoise or a bow head whale :)

So say average life span of a human is 76 years then divide it by the averaged life span of a particular bird species for example a budgie say it's 9 years on average, you would you divide the 76 by 9 and end up with 8.44 so a one year old budgie is equivalent to 8.44 human years.

So my Henni was hatched in 1980 she's an African Grey average calculation number is about 1.8 (human average life span divided by average species longevity = calculation number x years) Sooooo average human life span I want to use female human lol as we tend to live longer! It works out that the calculation number is 1.8 female human years to one Africa grey hen year .... She's 41 which would be 73.8 human years. Lifespans are obviously related to how healthy (and genetically linked) plus well you look after which is the same for animals however humans are on average better cared for in the western world with operations disease cures etc

@Navin2021
 

DizzyBlue

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Oh and a side note to think about in the wild average lifespan in 2002 (Ryan 2002) of an African Grey was 23.7 human years with high mortality rate in youngsters.
In captivity it was about 45 years but that lifespan average is a bit precarious dependant on proper documentation to work it out rather than guess work and also dependant on the slaves the bird owns. As documentation improves I dare say a better number will be defined for Grey's which I suspect will be lower more in the 30's / 40's life span duration.
 

JackAndRob

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There are always exceptions of course. There's Charlie, the B&G that was thought to have been kept by Winston Churchill for a period of time, although this was later denied by his family. Charlie was said to be 114 years old (in 2014), although there was no official documentation to support that. She lived out her retirement in an aviary at Heathfield Nurseries in Reigate with her best friend, a 5 year old Grey called Rosie.
 

DizzyBlue

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Weirdly oldest parrot in Guinness book of world records is a major mitchell in usa... 82 years 88 days but as he was an adult when he arrived at the zoo he was older than that as they only counted from date arrived not birth.
 

DizzyBlue

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Are you thinking of the major mitchell Cookie that lived at Paradise Park in Shropshire?
And macaw wise thinking of Poncho that was over at Becks Bird Barn shipped over from the USA to star in 101 Dalmatians movie?
There was Tarbu the african grey who passed away at 55 back in 2012 ... that one really did my head in he was allowed to eat kitkats!!!
@dianaT
 

dianaT

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I think I saw a photo of David Attenbrough long time ago with Cocky an old Too in London Zoo, no idea of it's age though.
 
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