Bay Area lepidopterist Liam O’Brien spent the 2019 City Nature Challenge surveying the biodiversity of Mazatlan at the invitation of Mexican naturalists.
San Francisco lepidopterist Liam O'Brien shares observations and illustrations from the field.
San Francisco tries to change the conditions that once made it famous for butterfly extinction
What most of us call “butterflies” are in fact just the fleeting last life stage of a creature with only one remaining purpose.
Dramatic insect declines argue for more time outdoors with a collector’s net, not less, writes lepidopterist Liam O’Brien.
Butterfly experts guard their secret spots like fishermen. When a friend takes Liam O’Brien to his “spot,” the writer finds himself in a scene from Nabokov.
How does a Broadway actor become San Francisco’s go-to lepidopterist? Liam O’Brien explains.