It's essentially the Japanese version of The Little Mermaid, Liam Neeson, Matt Damon, Tina Fey and Cate Blanchett do some of the voices in the English dub.
Didn't know who General Woundwort was, but by playing animation-related quizzes in the past, I figured such a strange name probably came from Watership Down.
Darn it! Kept thinking Ling Ling from wonder pets. I went through guinea pig, hamster. Every rodent I could think of. Not once did I think real animal in a zoo.
From Wikipedia;
"[Woodstock] also hates being mistaken for the wrong species of bird (though we are never told what species he actually is)..."