Very ingenious origami animals

Playing with abstract freestyle forms - "09 Cleanup" by Tomas Brechler

Origami (from ori meaning “folding”, and kami meaning “paper”) is the traditional Japanese folk art of paper folding, which started in the 17th century AD and was popularized in the mid-1900s. It has since then evolved into a modern art form.
The goal of this art is to transform a flat sheet of material into a finished sculpture through folding and sculpting techniques, and as such the use of cuts or glue are not considered to be origami.