Attract the elegant zebra swallowtail butterfly to your yard by growing nectar plants. Also discover the host plant for the ...

The estimate of 5.5 million species of insects is interesting. What’s even more remarkable is that because scientists have ...

For example, about 18,000 species of butterfly exist - think monarch, zebra swallowtail or cabbage white. Basically, species are a group that can interbreed with each other, but not with other groups.

For example, about 18,000 species of butterfly exist – think monarch, zebra swallowtail or cabbage white. Basically, species are a group that can interbreed with each other, but not with other ...