1.https://www.lufthansa-technik.com/en/aeroshark

 Sharkskin films have been used on aircrafts to reduce drag and the fuel needed. It has also been used on ships to reduce the growth of algae and barnacles as well as reduce drag.

2. https://news.mit.edu/2016/beaver-inspired-wetsuits-surfers-1005

MIT engineers created a wetsuit inspired by the fur of beavers and sea otters

3. https://www.livescience.com/34572-velcro.html

Velcro was inspired by the tiny hooks on burs

4. https://sites.udel.edu/bioinspiredpire/biomimicry/#:~:text=Birds%20have%20long%20been%20the,about%20peregrine%20falcon%20flight%20here.

The design of B-2 bombers mimics the look of peregrine falcons