Ads
related to: otter deterrent for boat house in winter
Search results
Results From The WOW.Com Content Network
An otter board Front of the otter board Folded otter board. The otter is a fishing device constructed with two parts, an otter board and a fishing line. It is steered by pulling on the line then letting stack so the slide mechanism on the board operates to switch direction. It may be used from a boat or pulled from the shore.
In the past, both Lutra lutra and Lutrogale perspicillata were used for otter fishing, but today, only L. perspicillata is used. Otter fishing is usually done at night between 9 PM and 5 AM. The average catch by a single boat in a night ranges from 4 to 12 kilograms (8.8 to 26.5 lb) of crabs, fish and shrimp.
Mother otters have one pup at a time and sea otter pups are dependent on their mothers for an average of 6 to 7 months. Extremely young pups cannot swim or dive due to their natal fur coating, so they must be anchored to the mothers at all times. Otter pups therefore receive undivided attention from their mothers for prolonged periods of time.
The Bernard-Hoover Boathouse was built in 1915 on the shore of Lake Mendota on the isthmus in Madison, Wisconsin. Today it sits in James Madison Park - the oldest standing boathouse on Lake Mendota, a remnant of an era when commercial boating thrived in the "city of the four lakes."
A group has developed an air kite that dynamically was coupled with a water kite that they also developed: French L'aile d'eau L'aile d'eau (mastless boat is a water kite or paravane) The group succeeded in having a double-kite system with one kite an air kite and the other kite a paravane water kite. The air kite pulled the submarine water ...
Shelikhov envisioned a continual extension of the Russian maritime fur trade, with trading posts being set up farther and farther along the coast all the way to California. He sought exclusive control of the trade, and in 1788 Empress Catherine II decided to grant his company a monopoly only over the area it already occupied. Other traders were ...
Sea otter conservation began in the early 20th century, when the sea otter was nearly extinct due to large-scale commercial hunting. The sea otter was once abundant in a wide arc across the North Pacific ocean, from northern Japan to Alaska to Mexico. By 1911, hunting for the animal's luxurious fur had reduced the sea otter population to fewer ...
Most have sharp claws on their feet and all except the sea otter have long, muscular tails. The 13 species range in adult size from 0.6 to 1.8 m (2.0 to 5.9 ft) in length and 1 to 45 kg (2.2 to 99.2 lb) in weight. The Asian small-clawed otter is the smallest otter species and the giant otter and sea otter are the largest.