1. Birds lay eggs, also two mammals - the duckbill and the echidna.
2. Buzzing insects are bees, bumblebees and mosquitoes.
3.Yes, some of them do. For example, Gorillas.
4. Dogs and foxes bark.
5. Tortoises. They are entering the Hibernation.
6. Flying lemurs, flying fish, flying snakes, flying geckoes, flying frogs, and flying squirrels.
7. Snakes
8. Swans, geese, storks and others. Swallows are the largest distance migrators.