answer the questions 1.what animals lay eggs?
2)what insects buzz?
3)Do mammals build nests?
4)what animal barks?
5)what animals can winter in deserts?
6)what animals can fly?
7)what reptailed hiss?
8)what birds migrate to warmer countries?

1. Birds lay eggs, also two mammals - the duckbill and the echidna2. Buzzing are their wings, when they moving with them they are creating a rapid sound.3.Yes. One of them are Gorillas4. Dog. Also the fox barks, but it`s sound isnt like dog`s.5. Tortoises. They are entering the - Hibernation6. Flying mobulas, flying lemurs, flying fish, flying snake, flying gecko, and flying frog, flying squirrels7. Snakes8. Swallows are the largest distance migrators.