Dressed in customary black hunting cap and swallowtail coat, the husband of Britain's Princess Anne began the first stage of the grueling three-day equestrian event under a hard .
But our representative appears in a plain black swallowtail.
Next down are the species that compose the ecosystems: swallowtail butterflies, moray eels, people.
Hope for Endangered Butterfly Species Researchers collected more than a hundred eggs from captured females of the endangered Schaus swallowtail butterfly in south Florida.
June 11, 2013 - National Geographic