unknown extinct animals

I bought these models in the U.S. a good few years ago but haven't managed to identify the maker.They are mainly extinct animals-can work out  all of them except the petrel like bird.Any help would be great.
[You must be registered and logged in to see this image.]

Not unknown, the brand is KORO KORO

[You must be registered and logged in to see this image.]

WOW,thank you so much.I had an idea they may have been Japanese but its great to have the identified at last!