The One and Only Bob by Kathrine Applegate

A sequel to The One and Only Ivan, we follow Bob in his new home with Julie, who adopted him when Ivan and his friends were rescued from the Mall and now live in an animal park with others of their own species.  But the story centers around a Hurricane and the destruction and rescue of animals.  Bob even finds his sister, who he did not know survived their being thrown away.  And he has a nephew to rescue.