Geese are evil!
When the weather is beautiful I love to have my back door open. It's great to get fresh air and I've got a lovely pond to look out on. 
However, there is a menace that lurks about this pond. It of dubious environmental benefit and little to no aesthetic benefit.
Behold, said menace:
Don't be fooled. It's not gentle or cute. It's demon spawn, plain and simple.
Allow me to enlighten you with an educational diagram (Note: Diagram has been altered to be more accurate)
However, there is a menace that lurks about this pond. It of dubious environmental benefit and little to no aesthetic benefit.
Behold, said menace:
Don't be fooled. It's not gentle or cute. It's demon spawn, plain and simple.
Allow me to enlighten you with an educational diagram (Note: Diagram has been altered to be more accurate)