Blue was placed under veterinary observation on Jan. 31, but his condition had not yet been diagnosed when he died earlier this month.

Blue, a 21-year-old harbor seal and longtime favorite at Buttonwood Park Zoo, died earlier this month from complications related to bird flu. Zoo staff are now increasing precautions to protect his ...

Blue, a 21-year-old harbor seal raised at the Buttonwood Park Zoo, died last week from what zoo officials said was complications ...