Common minke whale produce downswept calls of 250 to 50 Hz. The first written records attest to the active hunting of minke whales off Norway by 1100 A.D. By 1240 they began utilizing iron darts fired from crossbows that had been treated with the tissue of dead sheep infected with the bacterium "Clostridium". Introducing this infectious agent to a wound weakened the whale and after a couple days the men would return and lance it to death. This method of whaling continued to be used until the 1880s. Norwegian catching of minke whales from small fishing vessels started off Møre, western Norway, in
Creature type (Dungeons & Dragons) by Positive energy (whereas Undead are animated or empowered by Negative energy). A dragon is a reptile-like creature, usually winged, and tends to have magical or unusual abilities. An elemental is composed of one or more of the four classical elementals of air, earth, fire, or water. Elementals almost always have the extraplanar subtype. Most natives of the elemental planes are elementals, however there are some exceptions, for example most types of genies are native to the elemental planes, however genies are outsiders. A fey is a creature which usually has supernatural abilities and a human-shaped form. A fey also