Join guest leaders Robert Scrimger and Gary Meredith for a bird walk at Horno Basin in Ladera Ranch. Expect to see migratory birds, including aquatic species. Birds get up early, so we will do likewise! (BRING: Binoculars & birding guides if you have them. INTERPRETATION: High. FITNESS LEVEL: Easy.)

A nature-themed lecture is usually held in association with the monthly meeting of Caspers Park Foundation (CPF) volunteers. his month, Leonard Vincent, a spider enthusiast associated with Fullerton College, will give a presentation on local species of spiders. Lecture start time is approximate; lecture follows the business portion of the meeting, which starts at 9:30a.

Join the Sierra Sage chapter of the Sierra Club to enjoy the beautiful, natural scenery of The Conservancy. (INTERPRETATION LEVEL: Moderate. FITNESS LEVEL: Moderate)

Join Senior Park Ranger Donna Krucki for her informative presentation about the elusive native cougar. Donna will discuss the natural history of the cougar and share information from both past and current lion studies, highlighting the need for connected open space habitats – both for our benefit and for the benefit of local native wildlife. Part of The Reserve's "Spring Series" of in-depth indoor wildlife presentations.

Volunteer to spend a few hours in beautiful surroundings helping make Reserve trails accessible to our visitors. You'll join a dedicated crew in protecting the food plants of our native wildlife by eliminating weeds, those pesky botanical invaders. Volunteer efforts make an impact! Drinks and snacks provided. (BRING: Work gloves if you have them. FITNESS LEVEL: Moderate.)

Come join us on a beautiful May morning while we walk the trails and learn all about animal tracks and scat. This walk is geared toward children but everyone is welcomed. You will discover the clues that animals leave behind and how to identify them. Let's all learn some ways to be an animal detective! (INTERPRETATION LEVEL: High; FITNESS LEVEL: Easy.)

For years, the stars have been considered heaven's guideposts. Observers looked to the night sky to predict everything from a change of weather to a change of leaders. Enjoy an evening outdoors, as you gaze into the heavens, learn the constellations, and peer through the telescopes of our volunteer astronomers. (BRING: Warm clothing, flashlight, binoculars, optional beach chair. INTERPRETATION LEVEL: Moderate; FITNESS LEVEL: Easy.)