Executive Meddling: The series was originally going to be a horror series, with a short-haired catgirl in pink being the only thing in common with its current incarnation. Execs at Nakayoshi pressured the artist to do magical girls instead.
No Export for You: Mew Mew Power is a special case. 4Kids Entertainment was only able to acquire the rights to the first half of the show and never purchased to the second half.
In Tokyo Black Cat Girl, Masha was an alien robot sent to look out for original heroine, Hime "Princess" Azumi. The most shocking fact? He could talk in complete sentences!
Science Marches On: According to the IUCN Red List, gray wolves are listed as "least concern". A couple of subspecies are endangered, but that's it. Finless Porpoises aren't considered endangered anymore, but are still vulnerable.