BLUE HILL, Maine — Blue Hill Public Library will host a Creatures of the Night presentation for the public and watercolor workshop for children age 8 to 15 at 12:30 p.m. Saturday July 28, at the library. The presentation will feature live owls from Birdsacre in Ellsworth. Grayson Richmond of Birdsacre will share his knowledge of the birds. After the owl presentation, local artist Rebekah Raye will present a workshop for children on drawing and painting using ink and watercolor. The owls will be the models. Workshop participants are asked to register on the library’s website or by calling 207-374-5515, because space is limited. Those who wish to come to the presentation only do not need to register.