0 a type of large colourful butterfly
1 having a shape that is divided into two at one end, so that it has two points:
Threatened swallowtail butterflies of the world.
Variation in preference and specificity in monophagous and oligophagous swallowtail butterflies.
In the cool of the morning, the flight is slow considering that it is an edible and unprotected swallowtail.
At the swallowtail point, two minima and two maxima all meet at a single value of "x".
His research in the 1930s was on the feeding habits of swallowtail butterfly caterpillars.
They studied the peppered moth, the scarlet tiger moth and swallowtail butterfly.
Known commonly as swallowtail or lyretail angelfish, these fishes are so-named for the distinctive shape of their tailfins.
The swallowtail shiner lives in warm creeks and in river pools.
