A tiger swallowtail nearly as big as my outstretched hand fluttered near my face.

Above it flew a flock of butterflies, the soft blues of the spring azures complemented by the gold and black of the tiger swallowtails.

Others, like viceroys, regal fritillaries and tiger swallowtails, are "habitat sensitive," rarely venturing far from a patch of virgin prairie.

The tiger swallowtail, said to be the city's most common butterfly, is another temptation.

We saw monarchs, eastern tiger swallowtails, painted ladies, great spangled fritillaries and a breathtaking indigo blue species that our maps didn't identify.

Some taxonomists place P. glaucus, along with the other tiger swallowtails, in the genus Pterourus.

And it is deep orange with black netting, while the tiger swallowtail has yellow wings with black streaks.

Their appearance is quite similar to that of the western tiger swallowtail except they are a white-cream color or very pale yellow.

Tiger stripes and borders are thicker than those of western tiger swallowtails.

There are thousands of species - great spangled fritillaries, eastern tiger swallowtails, cabbage whites, painted ladies, you name it.