Resolving Tradeoffs Between Biodiversity and Human Health Support in Native Planting Speaker: Vanessa Lee How to design native plants in urban spaces to foster both human health and urban biodiversity? One important step is to be cognizant of tradeoffs aside … Read more
Join naturalist Dan Fitzgerald for a nature walk in the Mitchell Canyon area of Mount Diablo. We will be looking for birds, butterflies, and some seasonal blooms. Bring water, snacks, and binoculars if you have them. The walk is about … Read more
For urban butterfly habitats, more is more.
In 2020, less than 2,000 monarchs were counted at overwintering sites in California. Scientists weren’t sure if they’d come back. This year’s count shows that they did, and in a big way.
A small group of scientists hopes a last-chance effort can save the western monarch butterfly, like it did for the California condor.
After dipping below its potential “extinction threshold,” the beloved butterfly population crashed again in 2020.
The mourning cloak butterfly, Nymphalis antiopa, is one of the most widely distributed butterflies in the world, ranging across most of the northern hemisphere. In some places like the British Isles it’s quite rare and to find one would make … Read more
An examination of Northern California illustrates the challenges of trying to predict the future for evolving species.
Fascinating creatures, miniature works of art, critical links in the web of life — bugs are so much more than pests.
San Francisco tries to change the conditions that once made it famous for butterfly extinction