Zoo's last sea lions die after reaching old age
Colchester Zoological SocietyA zoo's last two sea lions have died after being put to sleep "in the interest of their welfare".
Colchester Zoo's Sydney and Milan had reached "geriatric age" and a decision was made to put them to sleep on Friday.
The Essex zoo said while it was proud of the care it provided older animals, "there comes a time when continuing to do so would cause them to suffer".
It comes after another sea lion, Winnipeg, who had also reached an old age, was put to sleep in February.
Colchester Zoological SocietyAccording to The MarineBio Conservation Society, Patagonia sea lions typically live into their 20s.
"Sydney and Milan both built irreplaceable bonds with the animal care team over the years, particularly those who had the privilege of working alongside them day in, day out," the zoo said in a statement.
"Losing an animal is like saying goodbye to a member of the family, and this is a truly devastating loss for everyone.
"Our thoughts are very much with the team during this incredibly sad time."
Colchester Zoological SocietyThe attraction said that Sydney had been "the sensible one" who had "incredible energy" and enjoyed one-to-one sessions with her keepers.
They added that she had a presence that made everyone feel at ease and she was often found basking on her favourite rock lovingly named Sydney's Armchair.
The zoo described Milan as "the golden girl" and the shyest of the group, with her keepers stating that she had a unique vocalisation.
"Sydney and Milan are truly irreplaceable, and they will be deeply missed by every member of the team who was lucky enough to know and care for them, and of course the huge number of visitors and supporters that fell in love with them over the years," the zoo added.
Follow Essex news on BBC Sounds, Facebook, Instagram and X.
