The pipevine caterpillar is dark reddish to black and covered with orange spikes ... re supporting local butterfly populations. A tiger swallowtail flying against the blue sky is a lovely sight.

Black and white stripes combined with a knobbly body make the caterpillar look remarkably like bird droppings. This unappetising outfit is a clever ploy to hide in plain sight, a trick used by ...

Sometimes, nature's surprises come with wings. In a new study, scientists have pulled from a 35-year dataset to examine ...

Unfortunately, many of these insects are also imperiled. The Center is determined to gain protection for five of the rarest foreign swallowtail butterfly species on three continents. In 1994, a Center ...