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frigid bear similitude have been reunite in a zoo after more than two age aside . The siblings were separated shortly after giving birth when one of them developed severe health problems and was later on rejected by their female parent .
The distaff polar bears ( Ursus maritimus ) , name Astra and Laerke , were born at Detroit Zoo on Nov. 17 , 2020 to female parent Suka and father Nuka . But two days afterward , Laerke was dissever from the hideaway she share with her mother and sister due to a aesculapian pinch , which required custodian to hand - feed her and monitor her around the clock . After making a full recovery , zoo faculty attempted to slowly reintegrate Laerke with Suka and Astra — but it did not go to programme .
Twin polar bears Astra and Laerke chasing one another in their enclosure.
" Suka was very protective of her cub , Astra , and roleplay sharply toward the cub she no longer recognized as her own , " Detroit Zoo representatives told Live Science in an email . Laerke continue in a separate enclosure during the reintegration procedure and " was never at risk of exposure of being spite " by the female parent , they added .
Astra and Suka were moved into separate enclosures in January this class after Astra reached the age whenpolar bearsleave their mother in the wild . This gave zoo staff the opportunity to reunify Astra with her twin , who rise up alongside an abandoned grizzly bear named Jebbie .
Related : Secret population of polar bear found living in ostensibly insufferable habitat
Astra and Laerke are getting on very well together since their reintroduction.
After a brief menstruation of reintegration , where the pair met and interacted with one another in adjoining cages , zoological garden keeper permit Laerke into Astra ’s Modern envelopment on April 11 . The reintroduction endure extremely well and " the sisters come along to delight sharing a space , " the zoo representatives say . They hope the duo can remain together full - clip , the representatives added .
On April 17 , the zoological garden deal heartwarming images of Astra and Laerke playing together onFacebookalong with the caption " sis , babe — never knew how much I missed ya . "
Keepers will continue to closely supervise the pair in the issue forth week . They bear that after becoming familiar with one another , the twins may spend less fourth dimension together , which is normal because grownup diametric bear tend to keep to themselves in the wild .
The sisters play together in a pool.(Image credit: Detroit Zoo)
Laerke ’s news report is quite a common one in zoos .
On Feb. 27 , Born Free — a U.K.-based Polemonium van-bruntiae that recommend for relocating captive animals to the natural state , as well as meliorate their calibre of life — released areportinto the publication associated with keeping pivotal bears in captivity . Along with business about trim back lifespans , improper diets and a deficiency of space to vagabond , the report said captive laddie are more likely to decease or develop health complication in immurement , with less than one-half surviving past 30 days .
— Move over polar bears , there ’s another top vulture along the Arctic slide
The sisters play fight in water.(Image credit: Detroit Zoo)
— Why are n’t there polar bears in Antarctica ?
— pivotal bear voice are being smuggle around the reality
When human race pace in to save them , mothers can end up reject their infant . This is likely because mothers are more stressed when pass on birth in captivity than in the wild , fit in to the report .
However , Polar Bears International , a non - profit conservation organization , says zoos and aquariums also toy an of import function in conserving polar bear .
Captivity will also play an of import function in preserving the species for succeeding generation to appreciate becauseclimate changeis look to pass over out most tempestuous populations , potentiallyas early as the destruction of this hundred .
