Publisher. A+E Networks. In Tokyo, Commodore Matthew Calbraith Perry, representing the U.S. government, signs the Treaty of Kanagawa with the Japanese government, opening the ports of Shimoda and Hakodate to American trade and permitting the establishment of a U.S. consulate in Japan.
A platypus is often called a queer animal because of its  appearance. The platypus looks a little like an otter with the bill  of a duck and webbed feet, so it's a mixture o â¦ f different animals  traits, seemingly. platypus is often called a queer animal because of its  appearance. The platypus looks a little like an otter with the bill  of a duck and webbed feet, so it's a mixture o â¦ f different animals  traits, seemingly.
A platypus is hard to classify do to the fact that it has a bill and webbed feet like a duck(bird) fur like a rodent, lays eggs, and swims under water, like an otter. 24 people found this useful.Edit. Share to:ll other mammals give birth to live young. The echidna was hard to classify because it had all the other attributes of a mammal besides giving birth to live young.