Just to show the diversity on the lakes in my local park. None of these species were introduced. They all made their own way via 'Easyduck' airways.
http://www.youtube.com/watch?v=uhcY8dmWOXw
The Egyptian geese have since bred, raising four little ones.
Note the gull in the last two scenes, with the blue/green legs. I am assuming this is a Common Gull.
And can anyone identify the LBJ at around 1.10?