Slang definitions & phrases for joy-stick Expand. noun. 1  The control lever of an airplane (1910+) 2  The steering wheel of a car, esp a hot rod (1950s+ Hot rodders) 3  The control lever for a computer or video game (1967+)  An opium pipe (1940s+ Narcotics)
Swans will not over-eat, but they can become dependent on a few repeat sources of the same food. Carina Norris, a nutritionist, said: It seems swans have a diet high in vitamins from tadpoles and insects and these same vitamins won't be present in white bread in the same quantity. Anything with seeds in, such as wholemeal bread, would be better..
Parents also help cygnets feed by stirring up the water to make aquatic plants easy to reach. Whooper swans can also feed on land or near saltwater environments. In freshwater areas, whooper swans mostly feed in the morning and afternoon. In saltwater areas, whooper swans mostly feed between the morning and afternoon.