Blue Hill artist and children’s book illustrator Rebekah Raye is offering a three-week drawing and painting class inspired by the owls and other birds living at Birdsacre starting Saturday, June 6. The series of Saturday classes will be held 10 a.m. to noon on June 6, 13 and 20. The class is among the special events planned to celebrate the wildlife sanctuary’s 50th anniversary this year. Participants will observe and learn about different owls. Multimedia drawings will focus on the full form and feather textures and colors. The class is for ages 8 and older. To register, call 374-5944, or e-mail [email protected] no later than May 29.