Biologist Single-Handedly Repopulates a Rare Species of Butterfly in His Backyard
The California pipevine swallowtail butterfly was once suffering a fate that so many creatures face—the loss of its habitat in San Francisco was causing their population to decline. But thanks to one man’s DIY efforts, the iridescent blue-winged insect is flourishing again. California Academy of Sciences aquatic biologist Tim Wong single-handedly revived the flailing species by building a home for them in his backyard.













































































