Pipevine Swallowtail Pipevine swallowtails are found throughout the eastern U.S. and through the southwest to California. They host on pipevines ( Aristolochia sp), as their name indicates.

The California pipevine swallowtail, native to San Francisco, saw its population decline drastically over the years. But Tim Wong, also known as the "butterfly whisperer," has led the effort to ...

California pipevine swallowtail butterflies typically lay their eggs in “clutches” of five to 30. See More: Science; Most Popular. Trump is deporting way fewer people than Obama did.

Pipevine swallowtail butterflies, especially, employ some pretty mind-boggling tricks during their short lives. Take their caterpillar host plant, for example.

For many of us in the High Country, seeing beautiful butterflies fluttering through the air, or sitting on flowers, is a ...

It’s a butterfly of exceptional beauty that’s rarely seen in Connecticut. It’s mainly black in color, blending into iridescent blue on top near its wing edges at the rear. The underside is ...

The gorgeous but toxic pipevine swallowtail butterfly could be considered the leader of a pack of dark swallowtails that mimics its appearance over Oklahoma’s gardens and meadows. Its beauty ...

Tim Wong rescued California Pipevine swallowtail butterflies known for their blue hue In San Francisco, a butterfly species was facing extinction due to the scarcity of its host plant - the ...