Prime Hook National Wildlife Refuge, 11978 Turkle Pond Road, Milton, recently released its schedule of July events.

A birding field trip will be held from 8 to 11 a.m. July 12. Led by volunteer birding guides, beginner and experienced bird watchers will observe and learn about the bird species frequenting the refuge at this time of year. Guests should come prepared for the weather and expect to walk up to a mile. Bring binoculars, a field guide and spotting scope. Binoculars will be available to borrow. Meet at the refuge office. Trips are free, open to the public and last about three hours. Registration is required by calling 684-8419. The Birding Field Trip will return Aug. 16.

An Evening at the Hook Lecture Series’ next installment, about monarch butterflies, is set for 7-8 p.m. July 13. Mike McFarlin, a retired Army colonel with a degree in forestry and a minor in biology, will share his knowledge and experience in working with the monarch butterfly. He will discuss their migration routes, the impacts humans have made on the monarch environment, where to look for eggs, how to raise them from eggs, what to feed them, releasing the developed butterfly and more. Registration is required by calling 684-8419. Light refreshments will be provided at 6:30 p.m.