FARMINGTON — The Western Maine Audubon Society will host their annual spring warbler walk along the railroad tracks in West Farmington on Saturday, May 8.

The group will meet at 7 a.m. at the Whistlestop Trail parking lot. The walk usually lasts about two hours and will be held rain or shine, so participants should dress accordingly. All birders’ eyes and ears are welcome. For more information, call Steve Bien at 897-5215.

Other upcoming events include a monthly program planned for Wednesday, May 12, when Mark Isaacson, a founding partner in Competitive Energy Services, will speak about Maine’s electricity needs in the 21st century.

Isaacson has worked as a partner in two hydroelectric facilities in Maine, but his current focus in on using solar power generation to meet local energy needs.

He is knowledgeable about Maine’s transmission network infrastructure, the kind of upgrades needed to handle wind power development and the proposed massive upgrade to the CMP infrastructure. He will speak about the GridSolar project, a nontransmission alternative to provide grid reliability. The program will begin at 7 p.m. in Room C23, Roberts Learning Center at the University of Maine at Farmington.

A program, “The Dark Side of the Loon,” is planned for Wednesday, May 19. Professor Mark Pokras, director of the Wildlife Clinic at the Cummings School of Veterinary Medicine, Tufts University, will present the video and lead a discussion after about the lead poisoning of loons. The program will begin at 7 p.m. in Room C23, Roberts Learning Center, UMF.

Exploring “The Dark Side of the Loon” includes visits to two loon pools on their protected winter gathering grounds to learn more about the loons people may not see.

Coyotes will be the topic of a program planned for Wednesday, June 16, when Chuck Hulsey, wildlife biologist with the Department of Inland Fisheries and Wildlife, will talk about the controversial creature and its position in the wildlife community. The program will be held at 7 p.m. in Room C23, Roberts Learning Center, UMF.