Because it is difficult and costly to build a bridge that rises very high over the water, many rivers are spanned by drawbridges. Such a bridge is built so that it can be raised into the air. In an ant colony, some ants gather food, some fight to defend the colony, and some care for the young. When brown bears were fairly plentiful in North America, bear meat was a common food. With the settling of towns and cities across the United States, the bear population was greatly reduced and is now largely confined to the remote areas of the forests and mountains of the Far West.
Ducks walk with a waddle because their legs are set so far back on their bodies.
There are many ports on the Baltic Sea, which is not salty enough to prevent its freezing in the colder months. The story is told of how Lady Angelica saw her lover, Rinaldo, one of Charlemagne's best knights, held captive in a deep pit by a terrible beast. Angelica was terrified, but she thought of a solution. She tossed a ball to the beast, and he took it in his mouth. When he turned to bite Rinaldo, he could not.