Owner Steph Tuft, 25, takes duck Essy on a lead for a walk with her Staffordshire cross dogs Rachka, aged 2 left, and DD, aged 4, in Bournemouth, England, Monday March 16, 2009. Essy, a nine-month-old Cherry Valley duck thinks she is a dog, and likes to walk with the other two pets.(AP Photo/Chris Ison-pa) **UNITED KINGDOM OUT: NO SALES: NO ARCHIVE:** Original Filename: BRITAIN_DELUDED_DUCK_LON810.jpg