The peak season for one of our largest and most beautiful butterflies, the tiger swallowtail, is approaching. To be even more specific, it is time for the emergence of the second brood of the eastern ...

Monarch butterflies gained access to milkweeds after they evolved the metabolic trick of absorbing the cardiac glycosides by sequestering them in fat bodies Two species of milkweeds are abundant and ...

On Saturday, Sept. 15, the local business www.butterflyway.com will host their third Annual Western Tiger Swallowtail event from noon to 4 p.m. at 1853 Eel River Dr. in Fortuna (off Kenmar Road just ...

With the Chinese Year of the Tiger beginning Sunday, let's look at a tiger of the insect world: the tiger swallowtail butterfly. It's a butterfly of amazing camouflage. Like the feline black and ...

“Nature is everywhere,” says lepidopterist Liam O’Brien about the tigers of San Francisco’s Market Street—Western tiger swallowtail butterflies, that is. O’Brien and naturalist Amber Hasselbring of ...

The Western Tiger Swallowtail butterfly is all around us in San Francisco. The butterflies can live their entire lives in the city, which is an ideal habitat thanks to its warm climate and London ...

Two species of milkweeds are abundant and conspicuous from the plains of Colorado to the montane region of the Front Range. The showy milkweed, Asclepias speciosa, is common along roadsides and in ...