A Laysan albatross key Wisdom was first tagged for monitoring and identification back in 1956 , and 55 long time afterwards she ’s the oldest known idle bird in the United States . Even more amazingly , she ’s still laying bollock and raising youthful .
When Wisdom was first banded all those geezerhood ago , she already was laying an ballock . She was judge to be at least five back then , although she might have been even older – these skirt do n’t generally start regurgitate until about 8 or 9 , and there ’s no way to be indisputable that special testicle was Wisdom ’s first . As such , we ’re sure that this raspberry must be at least sixty , but she might be even older .
However honest-to-goodness she is , this is one for the record books . The Laysan albatross lifetime is cogitate to top out at about forty years , and she blast past that back around 1991 . wiseness has raise at least 30 to 35 chicks over her long life , although the number might be even higher than that because older mothers are more experienced and thus are able to manage more incubation periods . Indeed , if anything Wisdom is have busier in her old age , as she previously nest in 2006 , 2008 , 2009 , and 2010 . It takes a full year to both incubate the bollock and raise the biddy to the point of ego - trust .
The monitoring proficiency known as snort stria has given us awe-inspiring wealths of selective information . Beyond reveal longevity records like Wisdom ’s , it ’s helped us substantially understand migratory approach pattern and given us a fortune to manage threaten bird population more effectively .
ViaLiveScience .
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