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.
Monotremes-Egg-laying Mammals. The duck-billed platypus is a monotreme which are a subfamily of mammals. They feed their young with milk, but instead of suckling from a teat, the milk simply oozes from glands under the skin, and is lapped up from a patch of fur.ther than the duck-billed platypus, there is only one other monotreme living today; a small spiny anteater called an Echidna. Monotremes, like most of the marsupials on earth are found exclusively in Australia. The platypus also possesses a number of other specializations many of which are unique to the platypi.