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)
Like that Hamsa separates the good things from the bad things, Water birds separate good water from the bad water. It has got a sieve like structure (lamellae) in its mouth which separates water from mud. Probably this is what lead to the belief that Swans can separate milk from water and drink only milk.
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.