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.
Adult male platypuses have venomous (not poisonous) spurs on their ankles. Through these spurs, they can deliver a venom strong enough to kill a small dog, and to cause almo â¦ st paralysing agony to an adult human. Platypus venom contains a protein which lowers blood pressure, also inducing shock.t is one of the few venomous  mammals; the male Platypus has a spur on the hind foot which  delivers a poison capable of killing a small dog or causing severe  pain to humans-pain which can last for months.